• 2024
• 2022
• 2021
• 2020
• 2019
• 2018
• 2017
• 2016
• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1998

2024

• Gutsch, Moritz, and Leker, Jens. 2024. “Costs, carbon footprint, and environmental impacts of lithium-ion batteries – From cathode active material synthesis to cell manufacturing and recycling.” Applied Energy, № 353 doi: 10.1016/j.apenergy.2023.122132.
• Gutsch, Moritz, and Leker, Jens. 2024. “Co-assessment of costs and environmental impacts for off-grid direct air carbon capture and storage systems.” Communications Engineering, № 3 doi: 10.1038/s44172-023-00152-6.
• Overwien, Anja; Jahnke, Lars; Leker, Jens. 2024. “Can entrepreneurship education activities promote students' entrepreneurial intention?” International Journal of Management Education, № 22 (1) 100928. doi: 10.1016/j.ijme.2023.100928.
• Heck, Janine, von Delft, Stephan, and Leker, Jens. 2024. “Greenhouse gas neutrality: A qualitative analysis of perceived sustainability tensions in the German chemical industry.” Energy Research & Social Science, № 112 103525. doi: 10.1016/j.erss.2024.103525.
• Frieden, Florian, Leker, Jens, and von Delft, Stephan. 2024. “A multi-objective analysis of grid-connected local renewable energy systems for industrial SMEs.” Journal of Energy Storage, № 98 113033. doi: 10.1016/j.est.2024.113033.
• Frieden, Florian, and Leker, Jens. 2024. “Future costs of hydrogen: a quantitative review.” Sustainable Energy & Fuels, № 8: 1806–1822. doi: 10.1039/D4SE00137K.
• Heck, Janine; Jahnke, Lars; Leker, Jens. 2024. “Early evidence of a transition towards sustainability-oriented decision-making in the chemical industry in Germany, Austria, and Switzerland: A choice-based conjoint analysis.” Energy Policy, № 187 114028. doi: 10.1016/j.enpol.2024.114028.

2022

• Greenwood, Matthew, Wrogemann, Jens, Schmuch, Richard, Jang, Hwamyung, Winter, Martin, and Leker, Jens. 2022. “The Battery Component Readiness Level (BC-RL) framework: A technology-specific development framework.” Journal of Power Sources Advances, № 14 100089. doi: 10.1016/j.powera.2022.100089.
• Karla Margarete, Gehde, Leker, Jens, and Rausch, Florian. 2022. “Business model configurations in digital healthcare - a german case study about digital transformation.” International Journal of Innovation Management, № 26 (3): 1–78. doi: 10.1142/S1363919622400187.
• Chofor, Asaba M, Duffner, F, Frieden, F, Leker, J, and von Delft, S. 2022. “Location choice for large-scale battery manufacturing plants: Exploring the role of clean energy, costs, and knowledge on location decisions in Europe.” Journal of Industrial Ecology, № 26 (4): 1514–1527. doi: 10.1111/jiec.13292.
• Gutsch, Moritz, and Leker, Jens. 2022. “Global warming potential of lithium-ion battery energy storage systems: A review.” Journal of Energy Storage, № 52 (C): 105030–105030. doi: 10.1016/j.est.2022.105030.

2021

• Kohut, Magdalena Oswin, Lohne Leker, Bröring, Jens, and Stephanie. 2021. “Market convergence from a start-up perspective: The case of probiotics.” PharmaNutrition, № 15 doi: 10.1016/j.phanu.2020.100243.
• Mauler, Lukas Duffner, and Fabian Leker, Jens. 2021. “Economies of scale in battery cell manufacturing: The impact of material and process innovations.” Applied Energy, № 286: https://doi.org/10.1016/j.apenergy.2021.116499.
• Greenwood, Matthew, Wentker, Marc, and Leker, Jens. 2021. “A region-specific raw material and Iithium-ion battery criticality methodology with an assessment ofNMC cathode technology.” Applied Energy, № 302 doi: 10.1016/j.apenergy.2021.117512.
• Greenwood, Matthew, Wentker, Marc, and Leker, Jens. 2021. “A bottom-up performance and cost assessment of lithium-ion battery pouch cells utilizing nickel-rich cathode active materials and silicon-graphite composite anodes.” Journal of Power Sources, № 9 doi: 10.1016/j.powera.2021.100055.
• Ahlfänger, Marcel Kohut, and Magdalena Leker, Jens. 2021. “Revisiting the Competing Institutional Logics in Corporate Venture Capital Units.” contribution to the ISPIM Connects Valencia, Valencia
• Kohut, Magdalena, Ahlfänger, Marcel, and Leker, Jens. 2021. “The Impact of Strategy and Structure on the Performance of Corporate Venture Capital Units.” International Journal of Innovation Management, № online: 1–57. doi: 10.1142/S1363919621500948.
• Ahlfänger, Marcel Gemünden, and Hans Georg Leker, Jens. 2021. “Balancing knowledge sharing with protecting: The efficacy of formal control in open innovation projects.” International Journal of Project Management, № online doi: 10.1016/j.ijproman.2021.09.007.
• Ahlfänger, Marcel Gemünden, and Hans Georg Leker, Jens. 2021. “Balancing Value Creation and Capture: The Efficacy of Formal Control in Open Innovation Projects.” contribution to the EURAM 2021, Québec, Canada
• Ahlfänger, Marcel Leker, and Jens. 2021. “Resolving the Open Innovation Paradox: A Dynamic Capabilities Perspective.” contribution to the ISPIM 2021, Berlin, Germany
• Duffner, F, Kronemeyer, N, Tübke, J, Leker, J, Winter, M, and Schmuch, R. 2021. “Post-lithium-ion battery cell production and its compatibility with lithium-ion cell production infrastructure.” Nature Energy, № 2021 doi: 10.1038/s41560-020-00748-8.

2020

• Wentker, Marc Jüstel, and Thomas Leker, Jens. 2020. “Economic aspects.” in Rare Earth Chemistry, edited by Rainer Jüstel Pöttgen and Cristian A. Thomas Strassert. Berlin: De Gruyter.
• Duffner, Fabian Mauler, Lukas Wentker, Marc Leker, and Jens Winter, Martin. 2020. “Large-scale automotive battery cell manufacturing: Analyzing strategic and operational effects on manufacturing costs.” International Journal of Production Economics, № 232 doi: 10.1016/j.ijpe.2020.107982.
• Klein, Johannes Stuckenborg, and Leonard Leker, Jens. 2020. “Hot or not - Which features make FinTechs attractive?” The Journal of Entrepreneurial Finance, № 22 (1)
• Duffner, Fabian, Wentker, Marc, Greenwood, Matthew, and Leker, Jens. 2020. “Battery cost modeling: A review and directions for future research.” Renewable and Sustainable Energy Reviews, № 127 doi: 10.1016/j.rser.2020.109872.
• Duffner, Fabian Krätzig, and Oliver Leker, Jens. 2020. “Battery plant location considering the balance between knowledge and cost: A comparative study of the EU-28 countries.” Journal of Cleaner Production, № 264 doi: 10.1016/j.jclepro.2020.121428.
• Ahlfänger, Marcel Kohut, and Magdalena Leker, Jens. 2020. “Reconciling Competing Institutional Logics in Corporate Venture Capital Units.” International Journal of Innovation Management, № 24 (8) doi: 10.1142/S1363919620400046.
• Stoffels, Marius Klauck, Felix J. R. Hamadi, Thomas Glorius, and Frank Leker, Jens. 2020. “Technology Trends of Catalysts in Hydrogenation Reactions: A Patent Landscape Analysis.” Advanced Synthesis & Catalysis, № 362 (6): 1258–1247.
• Herrmann, Ruth Leker, and Jens. 2020. “Erfolgreiche Unternemensgründung im Spannungsfeld von Entrepreneur-perönlichkeitsmerkmalen und Gründungssituationen.” in Perspektiven des Entrepreneurships, edited by Katharina Tiberius Hölzle and Heike Victor Surrey. Stuttgart: Schäffer-Poeschel Verlag.

2019

• Aaldering, L, Leker, J, and Song, CH. 2019. “Recommending untapped M&A opportunities: A combined approach using principal component analysis and collaborative filtering.” Expert Systems with Applications, № 125: 221–232. doi: 10.1016/j.eswa.2019.02.004.
• Aaldering, LJ, Leker, J, and Song, CH. 2019. “Uncovering the dynamics of market convergence through M&A.” Technological Forecasting and Social Change, № 138: 95–114. doi: 10.1016/j.techfore.2018.08.012.
• Leker, Song, Jens, and Hoon, Chie. 2019. “Differentiation of innovation strategies based on pharmaceutical licensing agreements: Insight from Korean pharmaceutical firms.” Technology Analysis and Strategic Management, № 31 (2): 169–185. doi: 10.1080/09537325.2018.1490711.
• Sick, Nathalie Preschitschek, Nina Leker, Bröring, Jens, and Stefanie. 2019. “A new framework to assess industry convergence in high technology environments.” Technovation, № 84: 48–58.
• Wentker, Marc, Greenwood, Matthew, Marius, Chofor , and Leker, Jens. 2019. “A raw material criticality and environmental impact assessment of state-of-the-art and post-lithium-ion cathode technologies.” Journal of Energy Storage, № 26: 1–17. doi: 10.1016/j.est.2019.101022.
• Jan, Aaldering , Jens, Leker, and Hoon, Song . 2019. “Analysis of technological knowledge stock and prediction of its future development potential: The case of lithium-ion batteries.” Journal of Cleaner Production, № 2019 (223): 301–311. doi: 10.1016/j.jclepro.2019.03.174.
• Jan, Aaldering , Jens, Leker, and Hoon, Song . 2019. “Competition or collaboration? – Analysis of technological knowledge ecosystem within the field of alternative powertrain systems: A patent-based approach.” Journal of Cleaner Production, № 212: 362–371. doi: 10.1016/j.jclepro.2018.12.047.
• Wentker, Marc, Greenwood, Matthew, and Leker, Jens. 2019. “A Bottom-Up Approach to Lithium-Ion Battery Cost Modeling with a Focus on Cathode Active Materials.” Energies, № 12 (3) doi: 10.3390/en12030504.

2018

• Aaldering, LJ, Leker, J, and Song, CH. 2018. “Analyzing the impact of industry sectors on the composition of business ecosystem: A combined approach using ARM and DEMATEL.” Expert Systems with Applications, № 100: 17–29. doi: 10.1016/j.eswa.2018.01.045.
• Stoffels, M, and Leker, J. 2018. “The Impact of IT Assets on Innovation Performance – The Mediating Role of Developmental Culture and Absorptive Capacity.” International Journal of Innovation Management, № Online
• Hamadi, T., Leker, J., and Meerholz, K. 2018. “Emergence of Innovation Champions: Differences in the R&D Collaboration Process Between Science and Industry.” International Journal of Innovation Management, № 22: 1840008-1–1840008-17. doi: 10.1142/S136391961840008X.
• Zhu, H, Kock, A, Wentker, M, and Leker, J. 2018. “How Does Online Interaction Affect Idea Quality? The Effect of Feedback in Firm‐internal Idea Competitions.” Journal of Product Innovation Management, № 35 (2) doi: 10.1111/jpim.12442.
• Leker, Jens, Gelhard, Carsten, and Stephan, von , eds. 2018. Business Chemistry: How to Build and Sustain Thriving Businesses in the Chemical Industry. New York City: John Wiley & Sons.

2017

• Thomas, Hamadi, Jens, Leker, and Klaus, Meerholz. 2017. “Establishing science-to-business collaborations via Internet – an investigation of website effectiveness.” contribution to the R&D Management Conference, Leuven, Belgium
• Song, C., Elvers, D., and Leker, J. 2017. “Anticipation of converging technology areas — A refined approach for the identification of attractive fields of innovation.” Technological Forecasting and Social Change, № 116 (null): 98–115. doi: 10.1016/j.techfore.2016.11.001.
• Stuckenborg, Leonard, Klein, Johannes, and Leker, Jens. 2017. “FinTech start-ups: How do business model, area of activity and revenue model relate - A study of the German market.” Corporate Finance, № 2017 (09-10): 257–268.
• Krätzig, O., Hamadi, T., Sick, N., Meerholz, K., and Leker, J. 2017. “Innovation promoters in technology transfer and insights from “Technology transfer between science and industry”.” contribution to the Advanced Battery Power 2017, Aachen, Germany

2016

• Simon, H., and Leker, J. 2016. “Using startup communication for opportunity recognition - An approach to identify future product trends.” International Journal of Innovation Management, № 20 (8) doi: 10.1142/S1363919616400168.
• Elvers, D., Song, C., Steinbüchel, A., and Leker, J. 2016. “Technology Trends in Biodegradable Polymers: Evidence from Patent Analysis.” Polymer Reviews, № 56 (4): 584–606. doi: 10.1080/15583724.2015.1125918.
• Zhu, Hangzi, Sick, Nathalie, and Leker, Jens. 2016. “How to use crowdsourcing for innovation? A comparative case study of internal and external idea sourcing in the chemical industry.” contribution to the PICMET’16 "Technology Management for Social Innovation, Honolulu, Hawaii, USA
• Nicole, vom , Sick, Nathalie, and Leker, Jens. 2016. “Interaction of calculated and perceived distance dimensions – Evidence from a battery research project.” contribution to the PICMET’16 "Technology Management for Social Innovation", Honolulu, Hawaii, USA
• Strudthoff, Maike, Sick, Nathalie, and Leker, Jens. 2016. “Knowledge networks in battery research projects.” contribution to the Kraftwerk Batterie, Münster
• Golembiewski, Birte, Sick, Nathalie, and Leker, Jens. 2016. “Cross-industry collaboration along the electric mobility value chain.” contribution to the Kraftwerk Batterie, Münster
• Strudthoff, Maike, Sick, Nathalie, and Leker, Jens. 2016. “Knowledge networks based on technological distances.” contribution to the The XXVII ISPIM Conference “Blending Tomorrow's Innovation Vintage", Porto, Portugal
• Sick, Nathalie, Nienaber, Ann-Marie, Liesenkötter, Bernd, Nicole, vom , Schewe, Gerhard, and Leker, Jens. 2016. “The legend about sailing ship effects – is it true or false? The example of cleaner propulsion technologies diffusion in the automotive industry.” Journal of Cleaner Production, № 88: 405–413.

2015

• Sick, N., Golembiewski, B., and Preschitschek, N. 2015. “Market convergence in electric mobility - An empirical analysis of cross-industry collaborations.” contribution to the ISPIM Innovation Summit 2015 “Changing the Innovation Landscape”, Brisbane, Australien
• Oliver, Everling, Jens, Leker, and Stefan, Bielmeier, eds. 2015. Credit Analyst, 3. edt. Berlin: De Gruyter.
• Sick, Nathalie, Preschitschek, Nina, and Leker, Jens. 2015. “Cross industry collaboration the field of stationary battery systems.” contribution to the Kraftwerk Batterie, Aachen, Deutschland
• Sick, Nathalie, Preschitschek, Nina, Bröring, Stefanie, and Leker, Jens. 2015. “Market convergence in the field of stationary energy storage systems.” contribution to the PICMET '15 Conference "Management of the Technology Age", Portland, Oregon, USA
• Leker, Jens, Liesenkötter, Bernd, Nienaber, Ann-Marie, Schewe, Gerhard, Sick, Nathalie, and Nicole, vom . 2015. “Still waiting for electric cars to break through – Blame it on the sailing ship effect!” contribution to the The XXVI ISPIM Conference – Shaping the Frontiers of Innovation Management, Budapest, Ungarn
• Nicole, vom , Sick, Nathalie, and Leker, Jens. 2015. “How to measure technological distance in collaborations - The case of electric mobility.” Technological Forecasting and Social Change, № 97 (August 2015): 154–167.
• Nienaber Ann-Marie, Holtorf , and Leker Jens, Schewe . 2015. “A Climate of Psychological Safety enhances the Success of Front End Teams.” International Journal of Innovation Management, № 19 (02) doi: 10.1142/S1363919615500279.
• Leker, Jens, and Sonius, David. 2015. “Berücksichtigung von Ausfallwahrscheinlichkeiten in der Unternehmensbewertung.” in Praxishandbuch der Unternehmensbewertung, edited by Peemöller Volker. Herne: NWB Verlag.

2014

• Zhu, Hangzi, Djurjagina, Katharina, and Leker, Jens. 2014. “Innovative behaviour types and their influence on individual crowdsourcing performances.” International Journal of Innovation Management, № 18 (6)
• Zhu, Hangzi, Djurjagina, Katharina, and Leker, Jens. 2014. “Innovative behaviour types and their influence on individual crowdsourcing performances.” contribution to the The XXV ISPIM Conference – Innovation for Sustainable Economy & Society, Dublin, Ireland
• Gelhard, C, Kortmann, S, and Leker, J. 2014. “A Contemporary View on Market Orientation and Innovativeness: The Mediating Role of Customer Co-Creation.” contribution to the XXV ISPIM Conference, Dublin
• Lecou, C., Sick, N., and Leker, J. 2014. “Selection Patterns in Front End Decision Making – Determining the Probability of Idea Progress within the Internal Innovation Process.” International Journal of Technology Marketing, № 9 (2): 101–124.
• Sick, Nathalie, Blug, Matthias, and Leker, Jens. 2014. “The Influence of Raw Material Prices on the Development of Hydrogen Storage Materials: The Case of Metal Hydrides.” Journal of the Knowledge Economy, № 5 (4): 735–760. doi: 10.1007/s13132-012-0132-5.
• Hoon, Song , and Leker, Jens. 2014. “Die Prognose von Konvergenzentwicklungen zur Identifikation attraktiver Innovationsfelder.” in Motoren der Innovation, edited by Hölzle Schultz Carsten.
• Julia, Schwarzlose, Jens, Leker, and Sebastian, Kortmann. 2014. “Ambidextrous Temas.” contribution to the XXV ISPIM Conference, Dublin
• Wosnitza, Jan, and Leker, Jens. 2014. “Can log-periodic power law structures arise from random fluctuations?” Physica A, № 401: 428–450.
• Zhu, H., and Leker, J. 2014. “Searching for ideas externally.” Nachrichten aus der Chemie, № 62 (12): 163–166.
• Blug, M., Leker, J., Plass, L., and Günther, A. 2014. “Methanol generation economics.” in Methanol: The Basic Chemical and Energy Feedstock of the Future: Asinger's Vision Today, edited by Springer. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-642-39709-7_7.
• Wosnitza, J., and Leker, J. 2014. “Why credit risk markets are predestined for exhibiting log-periodic power law structures.” Physica A: Statistical Mechanics and its Applications, № 393 (null): 427–449. doi: 10.1016/j.physa.2013.08.072.

2013

• Bauer, Manuel, and Leker, Jens. 2013. “Exploration and exploitation in product and process innovation in the chemical industry.” R&D Management Journal, № 2013 (43 (3)): 196–212.
• Nicole, vom , Sick, Nathalie, and Leker, Jens. 2013. “How to measure technological distance in collaborations? The case of electric mobility.” contribution to the PICMET '13 Conference "Technology Management in the IT-Driven Services", San Jose, California, USA
• Preschitschek, Nina, Niemann, Helen, Möhrle, Martin G, and Leker, Jens. 2013. “Anticipating industry convergence: Semantic analyses vs. IPC co-classification analyses of patents.” Foresight, № 15 (6): 446–464.
• Sick, N., and Golembiewski, B. 2013. “The influence of raw material prices on renewables diffusion.” Foresight, № 15 (6): 477–491.
• Golembiewski, B., and Sick, N. 2013. “Agriculture and energy industry in the setting of an emerging bioeconomy – Are there any signs of convergence on the horizon?” contribution to the PICMET '13 Conference "Technology Management in the IT-Driven Services", San Jose, California, USA
• Golembiewski, B., vom, Stein N., and Sick, N. 2013. “Enhancing patent analysis as measure for innovation - Evidence from electric mobility and the battery value chain.” contribution to the The XXIV ISPIM Conference – Innovating in Global Markets: Challenges for Sustainable Growth, Helsinki, Finland
• Wagner, R, Preschitschek, N, Passerini, S, Leker, J, and Winter, M. 2013. “Current research trends and prospects among the various materials and designs used in lithium-based batteries.” Journal of Applied Electrochemistry, № 43 (5): 481–496. doi: 10.1007/s10800-013-0533-6.
• J., Leker. 2013. “With profit and value added tax.” Nachrichten aus der Chemie, № 61 (6): 615. doi: 10.1515/nachrchem.2013.61.6.615.
• Eidam, Sebastian, Meister, Paul, Kehrel, Uwe, and Leker, Jens. 2013. “Collaboration and Scientific Output: Improving the Picture by Publication Analysis.” contribution to the International Society for Professional Innovation Management Conference 2013, Helsinki, Finland

2012

• Oliver, Everling, Jens, Leker, and Stefan, Bielmeier, eds. 2012. Credit Analyst, 2. edt. München: Oldenbourg Verlag.
• Kanzler, Steffen, Niedergassel, Benjamin, and Leker, Jens. 2012. “Knowledge sharing in academic R&D collaborations: does culture matter?” Journal of Chinese Entrepreneurship, № 4 (1): 6–19. doi: 10.1108/17561391211200902.
• Leker, Jens, Huizingh, Eelko, and Conn, Steffen. 2012. “Editorial.” International Journal of Technology Management, № 58 (3/4): 171–173.
• Sick, N., and Golembiewski, B. 2012. “The Influence of Raw Material Prices on the Diffusion of Renewable Energy Technologies.” contribution to the PICMET'12 Conference: "Technology Management for Emerging Technologies", Vancouver, Kanada
• Nina, Preschitschek, Jens, Leker, and Frank, Wiesemann. 2012. ECCH (European Case Clearing House), Case - Reference no. 312-014-1, Teaching note - Reference no. 312-014-8, Procter & Gamble: Pampers Germany: A brand under pressure,
• Preschitschek, Nina, Niemann, Helen, Möhrle, Martin G, and Leker, Jens. Forthcoming. “Semantic analyses vs. IPC co-classification analyses of patents: Which one better serves to anticipate converging industries?” contribution to the PICMET (Portland International Center for Management of Engineering and Technology) '12 Conference: "Technology Management for Emerging Technologies", Vancouver, Kanada
• Lecou, Christos, Sick, Nathalie, and Leker, Jens. 2012. “Selection Patterns in Front End Decision Making - Determining the Probability of Idea Progress within the Internal Innovation Process.” contribution to the XXIII ISPIM Conference – Action for Innovation: Innovating from Experience, Barcelona, Spanien
• Tiemann, Irina, Sick, Nathalie, and Leker, Jens. 2012. “Supplier involvement in customer new product development: new insights from the supplier’s perspective.” in Perspectives on Supplier Innovation, edited by Brem Tidd Joe. London: Imperial College Press.
• Leker, Jens, and Kehrel, Uwe. 2012. “Wirtschaftschemiker, berufsbegleitend.” Nachrichten aus der Chemie, № 60: 196–197.
• Nienaber, A., Schewe, G., Holtorf, V., and Leker, J. 2012. “Initiative in teams in the front end of innovation: An empirical study about the success of structured and unstructured teams.” in Vol. null
• Von Delft, S., and Leker, J. 2012. “Chemical industry: Technical revolution and industrial reaction.” Nachrichten aus der Chemie, № 60 (2): 143–146. doi: 10.1002/nadc.201290084.
• Leker, Kehrel, Jens, and Uwe. 2012. “Wirtschaftschemiker, berufsbegleitend.” Nachrichten aus der Chemie, № 60 (2): 196–197. doi: 10.1002/nadc.201290108.
• Leker, Kehrel, Jens, and Uwe. 2012. “Economic Chemist, extra occupational.” Nachrichten aus der Chemie, № 60 (2): 196–197.
• David, Große , and Leker, Jens. 2012. “Knowledge Transfer in Academia - An Exploratory Study on the Not-Invented-Here Syndrome.” The Journal of Technology Transfer, № 37 (5): 658–675. doi: 10.1007/s10961-010-9204-5.
• Gelhard, C, Kortmann, S, and Leker, J. 2012. “The Relationship between Cross-Functional Integration, Organizational Performance and Ambidextrous Mediators.” contribution to the XXIII ISPIM Conference, Barcelona
• Stephan, von , and Leker, Jens. 2012. “Technische Revolution und wirtschaftliche Reaktion.” Nachrichten aus der Chemie, № 60 (2): 143–146. doi: 10.1002/nadc.201290084.

2011

• Niedergassel, Benjamin Leker, and Jens. 2011. “Different Dimensions of Knowledge in Cooperative R&D Projects of University Scientists.” Technovation, № 31 (4): 142–150. doi: 10.1016/j.technovation.2010.10.005.
• Kirchner, Martin, and Leker, Jens. Forthcoming. “Sustainability-oriented Innovations - A Long Way to Go.” contribution to the The XXII ISPIM Conference – Sustainability in Innovation: Innovation Management Challenges, Hamburg, Germany
• Kirchner, Martin, and Leker, Jens. Forthcoming. “Mirror, mirror on the wall, what is the most sustainable company of all? Assessing corporate sustainability performance by using the Corporate Sustainability Map.” contribution to the FFRC 13th Conference - Trends and Future of Sustainable Development, Tampere/Finland
• Lecou, Christos, Blug, Matthias, and Leker, Jens. Forthcoming. “Gut feeling versus idea assessment - Evaluating ideas in the Front End of Innovation.” contribution to the 18th International Product Development Management Conference, Delft
• Klioutch, Irina, and Leker, Jens. 2011. “Supplier involvement in customer new product development: new insights from the supplier's perspective.” International Journal of Innovation Management, № 15 (1): 231–248.
• David, Große , and Leker, Jens. Forthcoming. “The Not-Invented-Here Syndrome in Academia – How to Measure and Manage it.” contribution to the 12th European Conference on Knowledge Management (ECKM), Passau, Germany
• Preschitschek, Nina, Curran, Clive-Steven, and Leker, Jens. Forthcoming. “The importance of access to resources in a setting of industry convergence – The case of agriculture and chemistry.” contribution to the PICMET (Portland International Center for Management of Engineering and Technology) '11 Conference: "Technology Management in the Energy-Smart World", Potland (OR), USA
• Niedergassel, Benjamin, Kanzler, Steffen, Alvidrez, Salvador, and Leker, Jens. 2011. “Cross-Cultural Perceptions on Knowledge Sharing in Heterogenous Collaborations.” International Journal of Innovation Management, № 15 (3): 563–592. doi: 10.1142/S1363919611003441.
• Bauer, Manuel, and Leker, Jens. 2011. “Balanced innovation portfolio funding and its impact on new product performance.” contribution to the 18th International Product Development Management Conference – IPDMC, Delft, Netherlands
• Sick, Nathalie, Blug, Matthias, and Leker, Jens. 2011. “The influence of raw material prices on the development of hydrogen storage materials: The case of metal hydrides.” contribution to the PICMET (Portland International Center for Management of Engineering and Technology) '11 Conference: "Technology Management in the Energy-Smart World", Portland (OR), USA
• Niedergassel, B., Kanzler, S., Alvidrez, S., and Leker, J. 2011. “Cross-cultural perceptions on knowledge sharing in heterogeneous collaborations.” International Journal of Innovation Management, № 15 (3): 563–592. doi: 10.1142/S1363919611003441.
• Curran, Clive-Steven, and Leker, Jens. 2011. “Patent indicators for monitoring convergence - examples from NFF and ICT.” Technological Forecasting and Social Change, № 78 (2): 256–273. doi: 10.1016/j.techfore.2010.06.021.

2010

• Herzog, Philipp, and Leker, Jens. 2010. “Open and closed innovation - different innovation cultures for different strategies.” International Journal of Technology Management, № 52 (3-4): 322–343.
• Leker, Jens, and David, Große . 2010. “Tiny things being huge.” Journal of Business Chemistry, № 7 (1)
• Kortmann, Sebastian, Schwarzlose, Julia, and Leker, Jens. 2010. “The Influence of Integration Mechanisms on Organizational Ambidexterity.” contribution to the The XXIII ISPIM Conference, Barcelona
• Curran, Clive-Steven, Bröring, Stefanie, and Leker, Jens. 2010. “Anticipating converging industries using publicly available data.” Technological Forecasting & Social Change, № 77 (3): 385–395. doi: 10.1016/j.techfore.2009.10.002.
• Trustorff, Jan-Henning, Markus Konrad, Paul, and Leker, Jens. 2010. “Credit risk prediction using support vector machines.” Review of Quantitative Finance and Accounting, № online first: 1–17.
• Markus Konrad, Paul, and Leker, Jens. 2010. “Regulierung von Ratingagenturen, die DVFA als Plattform und Impulsgeber.” in Kapitalmarkt in Theorie und Praxis, edited by Peter Fritz H. Rau. Frankfurt am Main: Fritz Knapp Verlag.
• Markus Konrad, Paul, and Leker, Jens. 2010. “Developments in Credit Rating Agency Regulation.” in Domestic and Foreign Credit Theory Studies and Standardization Practices, edited by Oliver Everling, Yan Yin and Yusi Ding. Beijing: China Metrology Publishing House.
• Klioutch, Irina, and Leker, Jens. 2010. “Supplier integration in the NPD process: new insights from the supplier’s perspective.” contribution to the 17th International Product Development Management Conference – “The Innovation in Crisis Time Murcia, Spanien.
• Sick, Nathalie, Lecou, Christos, Wosnitza, Jan, and Leker, Jens. 2010. “Assessing Technology Diffusion in Energy Markets. Moderating Effects of Raw Material Prices.” contribution to the The XXI ISPIM Conference – The Dynamics of Innovation Bilbao, Spanien.
• Kirchner, Martin, Lecou, Christos, and Leker, Jens. 2010. “The Corporate Sustainability Map – Initiating the Front End of Sustainable Innovation.” contribution to the The XXI ISPIM Conference – The Dynamics of Innovation, Bilbao, Spanien
• Preschitschek, Nina, Curran, Clive-Steven, and Leker, Jens. 2010. “Are Plastics turning Organic? Antecedents of Convergence in the Chemical Industry.” contribution to the The XXI ISPIM Conference – The Dynamics of Innovation Bilbao, Spanien.
• Curran, Clive-Steven, John, Gudrun M, and Leker, Jens. 2010. “Finding the Convergence-Needle in the Patent-Haystack.” contribution to the The 19th International Conference on Management of Technology – “Technology as the Foundation for Economic Growth" Kairo, Ägypten.
• Holtorf, Verena, and Leker, Jens. 2010. “Creativity is not enough: Stimulating initiatives and risk-taking within front-end teams.” contribution to the The 19th International Conference on Management of Technology – “Technology as the Foundation for Economic Growth" Kairo, Ägypten.

2009

• Kirchner, Martin, Klioutch, Irina, Kirchner, Gerald, and Leker, Jens. 2009. “Die Entscheidung zum Projektabbruch im strukturierten Innovationsprozess am Beispiel eines Additivs zur Verbesserung der Haftung in ungesättigten Polyesterharzen.” in Fallstudien zum Innovationsmanagement, edited by HJ Fisch and J-M Roß. Wiesbaden.
• Curran C‐S, Leker J. 2009. “Die Früherkennung konvergierender Industrien auf der Basis öffentlich zugänglicher Daten.” Chemie Ingenieur Technik, № 81 (8): 1232.
• Curran, C., and Leker, J. 2009. “Seeing the next iphone coming your way: How to anticipate converging industries.” contribution to the PICMET 2009 - 2009 Portland International Conference on Management of Engineering and Technology, Portland, OR, usa doi: 10.1109/PICMET.2009.5262190.
• Picker, S., Ruhnke, A., and Leker, J. 2009. “Developing knowledge management -what makes the success?” International Journal of Technology Management, № 45 (null): 380–389. doi: 10.1504/IJTM.2009.022660.
• Curran, Clive-Steven, and Leker, Jens. 2009. “Employing STN AnaVist to Forecast Converging Industries.” International Journal of Innovation Management, № 13 (4): 637–664.
• Kehrel, Uwe, and Leker, Jens. 2009. “Unternehmenskrisen.” Zeitschrift für Führung und Organisation, № 78 (4): 200–205.
• Kehrel Uwe, Leker , and Mahlstedt Dirk, Trustorff . 2009. “Effekte der IFRS-Rechnungslegung auf das Bilanzrating.” Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung, № 61 (5): 283–309.
• Picker, Stefan, and Leker, Jens. 2009. “Technology sourcing – how biotechnology cooperation works.” International Journal of Entrepreneurship and Innovation Management, № 10 (3/4): 342–352.
• Curran, Clive-Steven, Niedergassel, Benjamin, Picker, Stefan, and Leker, Jens. 2009. “Project leadership skills in cooperative projects.” Management Research News, № 32 (5): 458–468.
• Holtorf, Verena, and Leker, Jens. 2009. “Corporate Entrepreneurship im Front End des Innovationsprozesses - Mehr Unternehmertum durch Struktur?” Zeitschrift für Führung und Organisation, № 78 (1): 54–61.
• Niedergassel, Benjamin, and Leker, Jens. 2009. “Open innovation: chances and challenges for the pharmaceutical industry.” Future Medicinal Chemistry, № 1 (7): 1197–1200. doi: 10.4155/fmc.09.107.
• Curran, Clive-Steven, and Leker, Jens. 2009. “When Two Worlds Collide - Measuring Industry Convergence.” contribution to the 2009 Academy of Management (AOM) Annual Meeting – Green Management Matters Chicago (IL), USA.
• Curran, Clive-Steven, and Leker, Jens. 2009. “Seeing the Next iPhone Coming Your Way: How to Anticipate Converging Industries.” contribution to the PICMET '09 Conference - Technology Management in the Age of Fundamental Changes Portland (OR), USA.
• Kirchner, Martin, Kanzler, Steffen, and Leker, Jens. 2009. “Corporate Sustainability Map - Measuring a Company's Sustainability in Order to Disclose Innovation Potential.” contribution to the R&D Management Conference Wien, Österreich.
• Niedergassel, Benjamin, and Leker, Jens. 2009. “Collaborative R&D Projects: Differences between University-University and University-Industry Partnerships.” contribution to the The XX ISPIM Conference – The Future of Innovation Wien, Österreich.
• Kanzler, Steffen, Kirchner, Martin, and Leker, Jens. 2009. “Opening up the innovation process - a longitudinal research approach investigating the first Chinese-German research collaboration in Nano-Science.” contribution to the The XX ISPIM Conference – The Future of Innovation Wien, Österreich.
• Holtorf, Verena, Klioutch, Irina, and Leker, Jens. 2009. “The Influence of Teams on Entrepreneurial Orientation - Insights from Academia and Industry.” contribution to the The XX ISPIM Conference – The Future of Innovation Wien, Österreich.
• Große, Kathöfer D, and Leker, J. 2009. “Does the Ivory Tower become permeable? – The NIH Syndrome in Academia.” contribution to the The XX ISPIM Conference – The Future of Innovation Wien, Österreich.
• Curran, Clive-Steven, and Leker, Jens. 2009. “Forecasting Industry Convergence: Developing Reliable Measures on the Basis of STN AnaVist.” contribution to the The XX ISPIM Conference – The Future of Innovation Wien, Österreich.
• Niedergassel, Benjamin, and Leker, Jens. 2009. “Tacit and Explicit Knowledge Sharing in Collaborative R&D Projects.” contribution to the The 18th International Conference on Management of Technology (IAMOT) – Management of Green Technology Orlando (FL), USA.
• Holtorf, Verena, and Leker, Jens. 2009. “Structured Teams and Corporate Entrepreneurship within the Fuzzy Front End.” contribution to the The 18th International Conference on Management of Technology (IAMOT) – Management of Green Technology Orlando (FL), USA.
• Leker, Jens, and Lecou, Christos. 2009. “Forscher arbeiten an Materialien für Energieanwendungen.” Nachrichten aus der Chemie, № 57 (3): 357–358. doi: 10.1002/nadc.200963482.

2008

• Everling, O, Holschuh, K, and Leker, J. 2008. Credit Analyst,, edited by O Everling, K Holschuh and J Leker. München: Oldenbourg Verlag.
• Leker, Jens, and Kruse, Michael. 2008. “Kennzahlensteuerung in der Spezialchemie.” in Einfachheit in Wirtschaftsinformatik und Controlling, edited by J. Becker. München: Verlag Franz Vahlen.
• Leker, Jens, Mahlstedt, Dirk, and Kehrel, Uwe. 2008. “Auswirkungen der IFRS-Rechnungslegungsumstellung auf das Jahresabschlussbild.” KoR, № 8 (6): 379–388.
• Van Der, Velde A., and Leker, J. 2008. “Rediscovery of old ideas Alte Ideen neu Entdeckt.” Nachrichten aus der Chemie, № 56: 773–775.
• Andrea, van , and Leker, Jens. 2008. “Alte Ideen neu entdeckt.” Nachrichten aus der Chemie, № 56 (7-8): 773–775.
• Holtorf, Verena, and Leker, Jens. 2008. “Structuring the Front End of the Innovation Process: What are the Drivers of Innovative Behavior?” contribution to the R&D Management Conference Ottawa, Kanada.
• Curran, Clive-Steven, Bröring, Stefanie, and Leker, Jens. 2008. “Patent Analysis for the Anticipation of Converging Industries.” contribution to the R&D Management Conference Ottawa, Kanada.
• Niedergassel, Benjamin, and Leker, Jens. 2008. “Different Dimensions of Knowledge in Cooperative R&D Projects.” contribution to the R&D Management Conference Ottawa, Kanada.
• Holtorf, Verena, and Leker, Jens. 2008. “Different structures, different attitudes: What drives individual entrepreneurial orientation?” contribution to the 19th ISPIM Conference Tours, Frankreich.
• Curran, Clive-Steven, Bröring, Stefanie, and Leker, Jens. 2008. “Using Publicly Available Data to Anticipate Converging Industries.” contribution to the 19th ISPIM Conference Tours, Frankreich.
• Niedergassel, Benjamin, and Leker, Jens. 2008. “Tacit vs. Explicit - The Role of different Knowledge Dimensions in collaborative R&D Projects.” contribution to the 19th ISPIM Conference Tours, Frankreich.

2007

• Leker, Jens. 2007. “Innovation Management - Trends in the Chemical Industry.” contribution to the Europäischer Kongress für die Prozessindustrie Frankfurt a. M., Deutschland.
• Leker, Jens. 2007. “Talentfindung durch neue Formen der Zusammenarbeit von Hochschulen und Unternehmen.” contribution to the Euroforum Spezialchemie Düsseldorf, Deutschland.
• Leker, Jens. 2007. “Krisenmanagement.” in Handwörterbuch der Betriebswirtschaftslehre, edited by R Köhler, H-U Küpper and A Pfingsten. Stuttgart: Schäffer-Poeschel Verlag.
• Bade, Martin, Herzog, Philipp, and Leker, Jens. 2007. “Marktorientiertes Innovationsmanagement.” in Immunoassays, edited by P. Rauch. Amsterdam: Elsevier.
• Leker, J, Mahlstedt, D, and Duwe, K. 2007. “Status Quo und Entwicklungstendenzen interner Unternehmensberatungen.” in Consulting Research - Unternehmensberatung aus wissenschaftlicher Perspektive, edited by V. Nissen. Wiesbaden: Gabler Verlag.
• Lenk, Fabian, Bröring, Stefanie, Herzog, Philipp, and Leker, Jens. 2007. “On the usage of agricultural raw materials: Energy or food? An assessment from an economics perspective.” Biotechnology Journal, № 2 (12): 1497–1504.
• Niedergassel, Benjamin, Curran, Clive-Steven, Leßing, Michael, and Leker, Jens. 2007. “What drives partners in industry-academia cooperation? A special consideration of reducing uncertainty through computational chemistry.” International Journal of Technology Intelligence and Planning, № 3 (4): 331–342.
• Bröring, Stefanie, and Leker, Jens. 2007. “Industry convergence and its implications for the Front End of innovation - a problem of absorptive capacity.” Creativity and Innovation Management, № 16 (2): 165–175.
• Herzog, Philipp, and Leker, Jens. 2007. “Open vs. Closed Innovation strategies: Also different innovation cultures?” contribution to the R&D Management Conference Bremen, Deutschland.
• Herzog, Philipp, and Leker, Jens. 2007. “Open vs. Closed Innovation: Different cultures for different strategies.” contribution to the 18th ISPIM Conference Warschau, Polen.
• Leker, Jens. 2007. “Probleme empirischer Innovationsforschung - Ein Werkstattbericht.” contribution to the Karl-Franzens Universität Graz Graz, Österreich.

2006

• Picker, Stefan, Niedergassel, Benjamin, and Leker, Jens. 2006. “Letter from the Editor: Interdisciplinarity at Work.” Journal of Business Chemistry, № 3 (2)
• Leker, Jens, and Scheffczyk, Eva. 2006. “Fraktionierende Frühdiagnose von Unternehmenskrisen.” in Krisenmanagement, edited by Griess-Nega Hutzschenreuter Thomas.
• Picker, Stefan, and Leker, Jens. 2006. “Management in Biotechnology: Cooperation and Innovation.” contribution to the 28th ACHEMA Frankfurt a. M., Deutschland.
• Stefanie, Bröring, Jens, Leker, and Saskia, Rühmer. 2006. “Radical or not? Assessing innovativeness and its organisational implications for established firms.” International Journal of Product Development, № 3 (2): 152–166.
• Bröring, S, Cloutier, LM, and Leker, J. 2006. “The front end of innovation in an era of industry convergence: Evidence from nutraceuticals and functional foods.” R&D Management, № 36 (5): 487–498.
• Niedergassel, Benjamin, Herzog, Philipp, and Leker, Jens. 2006. “Knowledge Conversion in the Context of Open Innovation - An Example from the Chemical Industry.” contribution to the 3rd International Conference on Intellectual Capital, Knowledge Management and Organisational Learning Santiago de Chile, Chile.
• Leker, Jens. 2006. “Academic Education and Innovation - Innovation Management in Theory and Practice.” Research Triangle Park, NC, USA.

2005

• Picker, Stefan, Vehring, Carsten, Hahn, Lars, Vala, Madeleine, and Leker, Jens. 2005. “Letter from the Editors: Why are scientists not managers!?” Journal of Business Chemistry, № 2 (1)
• Picker, S, Ruhnke, A, and Leker, J. 2005. “Knowledge Management - Factor of Success.” contribution to the 16th ISPIM Conference Porto, Portugal.
• Picker, Stefan, and Leker, Jens. 2005. “Prospects and Innovation in Biotechnology: Bringing new technology to the market.” contribution to the CNIC Conference Havanna, Kuba.
• Leker, Jens, and Picker, Stefan. 2005. “Developing a new field of Chemistry - Education in Business Chemistry.” contribution to the 40th IUPAC Conference Peking, China.
• Leker, Jens. 2005. “Der Unternehmer als Schuldner.” in Sanierung und Abwicklung in der Insolvenz, edited by T. Möhlmann-Mahlau. Herne: NWB Verlag.
• Leker, Jens. 2005. “Misserfolgsanalyse in der Forschung zum strategischen Management.” in Management von Ad-hoc-Krisen, edited by M. Hülsmann. Wiesbaden: Gabler Verlag.
• Leker, Jens. 2005. “F&E Controlling.” in Handbuch Technologie- und Innovationsmanagement, edited by O. Gassmann. Wiesbaden: Gabler Verlag.
• Leker, Jens. 2005. “Successful Innovation Management - Best Practice or Serendipity?” contribution to the Degussa meets Science 2005 Marl, Deutschland.
• Leker, Jens. 2005. “Strategien in der Chemischen Industrie.” contribution to the European School of Management and Technology München, Deutschland.
• Leker, Jens. 2005. “Innovationsstrategien bei unterschiedlichen Rahmenbedingungen.” contribution to the European School of Management and Technology München, Deutschland.
• Leker, Jens. 2005. “Innovation - New Constellations at Henkel KGaA.” Prag, Tschechien.
• Bröring, Stefanie, and Leker, Jens. 2005. “Industry Convergence and its Implications for the Front End of Innovation – A Problem of Absorptive Capacity.” contribution to the The 12th International Product Development Management Conference Kopenhagen, Dänemark.
• Bröring, Stefanie, and Leker, Jens. 2005. “Industriekonvergenz – Hindernis oder Chance für Innovation? Eine ressourcenbasierte Analyse der frühen Innovationsphase.” contribution to the 67. Wissenschaftliche Jahrestagung des Verbandes der Hochschullehrer für Betriebswirtschaft e.V. Kiel, Deutschland.

2004

• Bröring, Stefanie, and Leker, Jens. 2004. “Decision Making in the Front End of Innovation on new Industry Segments - A conceptual framework.” contribution to the The 25th McMaster World Congress Hamilton, Kanada.
• Leker, Jens, and Rühmer, Saskia. 2004. “Chemie und Betriebswirtschaftslehre.” in Wenn der Geist die Materie küsst, edited by K. Griesar. Frankfurt am Main: Harri Deutsch.
• Leker, Jens, and Herzog, Philipp. 2004. “Marketing in der chemischen Industrie.” in Handbuch Industriegütermarketing: Strategien – Instrumente - Anwendungen, edited by M. Voeth. Wiesbaden: Gabler Verlag.
• Leker, Jens, and Hamelau, Nicole. 2004. “Einsatz strategischer Wettbewerbsanalysen im Controlling von Großunternehmen.” in Trendberichte zum Controlling, edited by M.B. Schulz. Heidelberg: Physica-Verlag.
• Leker, J, Diehl, U, and Wieben, HJ. 2004. “Ausbildung zum Certified Credit Analyst: Kompetenz durch Qualifizierung.” in Handbuch Ratingpraxis, edited by O. Everling. Wiesbaden: Gabler Verlag.
• Leker, Jens. 2004. “Gründungsbilanzen.” in Sonderbilanzen, edited by K.-R. Veit. Herne: NWB Verlag.
• Mahlstedt, Dirk, and Leker, Jens. 2004. “Praxis der bilanziellen Krisendiagnose - geeignete Indikatoren zum Selbst-Check und zur Kundenbetreuung.” Bilanzbuchhalter und Controller, № 28 (5): 101–104.
• Bröring, S, Cloutier, LM, and Leker, J. 2004. “The Front End of Innovation in an Era of Industry Convergence – the case of nutraceuticals.” contribution to the R&D Management Conference Sesimbra, Portugal.
• Leker, J, Spahr, R, and Herzog, P. 2004. “Strategic change: Dynamic core competencies and firm performance.” contribution to the SAM/IFSAM VII World Congress Göteborg, Schweden.
• Bröring, S, Cloutier, LM, and Leker, J. 2004. “R&D in an era of convergence - are projects a set of dynamic relationships?” contribution to the The 20th European Group of Organization Studies Colloqium Ljubljana, Slowakei.
• Leker, Jens. 2004. “Innovationsmanagement - "Werkstattbericht" über aktuelle Projekte im Forschungsfeld Innovationsmanagement.” contribution to the Bayer AG Leverkusen, Deutschland.

2003

• Leker, Jens, and Rühmer, Saskia. 2003. “Der Einfluss von Wertschöpfungsnetzwerken auf das Innovationsmanagement der chemischen Industrie.” in Geschäftsmodelle für Wertschöpfungsnetzwerke, Festschrift für Winfried Krüger, edited by B. Eichler. Wiesbaden: Gabler Verlag.
• Bröring, Stefanie, Vehring, Carsten, and Leker, Jens. 2003. “New Competences for a new market - The Case of the Emerging Nutraceuticals and Functional Foods Sector.” contribution to the The 23rd annual international conference of the Strategic Management Society Baltimore, USA.

2002

• Leker, J, Möhlmann-Mahlau, T, and Wieben, HJ. 2002. Risikomanagement vor und in der Insolvenz, Bonn: ZAP Verlag.
• Leker, J, Daniels, HV, and Seeliger, CW. 2002. “Corporate Venture Capital - der Weg zur erfolgreichen Erschließung neuer Technologien?” Perspektiven der Wirtschaftspolitik, № 3 (3): 303–316.

2001

• Leker, Jens. 2001. “Reorientation in a Competitive Environment: An Analysis of Strategic Change.” Schmalenbach Business Review, № 53: 41–55.
• Leker, J, Festel, G, and Hassan, A. 2001. Betriebswirtschaftslehre für Chemiker - Eine praxisorientierte Einführung,, edited by J Leker, G Festel, A Hassan and P Bamelis. Düsseldorf: Springer VDI Verlag.
• Leker, Jens. 2001. “Bilanzratingsysteme zwischen Theorie und Praxis.” in Außergewöhnliche Entscheidungen, edited by H.G. Gemünden. München: Verlag Franz Vahlen.
• Leker, Jens. 2001. “Strategie.” in Betriebswirtschaftslehre für Chemiker - Eine praxisorientierte Einführung, edited by J Leker, G Festel, A Hassan and P Bamelis. Düsseldorf: Springer VDI Verlag.
• Hauschildt, Jürgen, and Leker, Jens. 2001. “Kreditwürdigkeitsprüfung, inkl. automatisierte.” in Handwörterbuch des Bank- und Finanzwesens, edited by M. Steiner. Stuttgart: Schäffer-Poeschel Verlag.
• Leker, J, and Spahr, R. 2001. “Strategic Change Accompanied by Shift of Core Competencies: A Study of Growth and Performance Effects.” contribution to the 2001 Globalization Conference – Cross-Border Business Combinations and Strategic Alliances of the Schmalenbach-Gesellschaft für Betriebswirtschaft and the American Accounting Association Berlin, Deutschland.
• Leker, Jens. 2001. “Die Neuausrichtung der Unternehmensstrategie – Erfahrungen und Ergebnisse eines empirischen Forschungsprojektes.” contribution to the Justus-Liebig-Universität Gießen Gießen, Deutschland.

2000

• Leker, J, and Salomo, S. 2000. “CEO turnover and corporate performance.” Scandinavian Journal of Management(16): 287–303.

1998

• Leker, Jens, and Salomo, Sören. 1998. “Die Veränderung der wirtschaftlichen Lage im Verlauf eines Wechsels an der Unternehmensspitze.” Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung, № 2
• Leker, Jens, and Schewe, Gerhard. 1998. “Beurteilung des Kreditausfallrisikos im Firmenkundengeschàft der Banken.” Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung, № 50 (10): 877–891.