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Publications

by alumni of

École Polytechnique Fédérale de Lausanne (EPFL) → Collège du Management de la Technologie

Swiss Federal Institute of Technology of Lausanne → College of Management of Technology

These are publications listed in RePEc written by alumni of the above institution who are registered with the RePEc Author Service and listed in the RePEc Genealogy. List of alumni. For a list of publications by current members of the department, see here. Register yourself.

This page is updated in the first days of each month.

| Working papers | Journal articles |

Working papers

2025

  1. Fabrizio Dell'Acqua & Charles Ayoubi & Hila Lifshitz & Raffaella Sadun & Ethan Mollick & Lilach Mollick & Yi Han & Jeff Goldman & Hari Nair & Stewart Taub & Karim Lakhani, 2025, "The Cybernetic Teammate: A Field Experiment on Generative AI Reshaping Teamwork and Expertise," NBER Working Papers, National Bureau of Economic Research, Inc, number 33641, Apr.
  2. Derrien, François & Hombert, Johan & Ovtchinnikov, Alexei V. & Valta, Philip, 2025, "The Real Effects of Valuation Mistakes: Estimates from Mergers and Acquisitions," HEC Research Papers Series, HEC Paris, number 1553, Mar, DOI: 10.2139/ssrn.5163769.
  3. François Derrien & Johan Hombert & Alexei Ovtchinnikov & Philip Valta, 2025, "The Real Effects of Valuation Mistakes," Working Papers, HAL, number hal-05187106, Mar, DOI: 10.2139/ssrn.5163769.

2021

  1. Rüdiger Fahlenbrach & Alexei V. Ovtchinnikov & Philip Valta, 2021, "Direct democracy, corporate political strategy, and firm value," Swiss Finance Institute Research Paper Series, Swiss Finance Institute, number 21-23, Mar.

2020

  1. Charles Ayoubi & Sandra Barbosu & Michele Pezzoni & Fabiana Visentin, 2020, "What Matters in Funding: The Value of Research Coherence and Alignment in Evaluators' Decisions," GREDEG Working Papers, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), Université Côte d'Azur, France, number 2020-14, Mar.
  2. Dominique Foray & Gaetan de Rassenfosse & George Abi Younes & Charles Ayoubi & Omar Ballester & Gabriele Cristelli & Matthias van den Heuvel & Ling Zhou & Gabriele Pellegrino & Patrick Gaulé & Elizab, 2020, "COVID-19: Insights from Innovation Economists," Working Papers, Chair of Science, Technology, and Innovation Policy, number 10, Apr.
    • Younes, George Abi & Ayoubi, Charles & Ballester, Omar & Cristelli, Gabriele & de Rassenfosse, Gaetan & Foray, Dominique & Gaule, Patrick & Pellegrino, Gabriele & van den Heuvel, Matthias & Webster, B, 2020, "COVID-19_Insights from Innovation Economists," SocArXiv, Center for Open Science, number b5zae, Apr, DOI: 10.31235/osf.io/b5zae.
  3. Ayoubi, Charles & Thurm, Boris, 2020, "Knowledge Diffusion and Morality: Why do we Freely Share Valuable Information with Strangers?," OSF Preprints, Center for Open Science, number 78mua, Oct, DOI: 10.31219/osf.io/78mua.
  4. Ayoubi, Charles & Thurm, Boris, 2020, "Evolution and Heterogeneity of Social Preferences," OSF Preprints, Center for Open Science, number ucx8z, Aug, DOI: 10.31219/osf.io/ucx8z.
  5. Ayoubi, Charles & Thurm, Boris, 2020, "Pro-environmental behavior and morality: An economic model with heterogeneous preferences," OSF Preprints, Center for Open Science, number w8afg, Aug, DOI: 10.31219/osf.io/w8afg.
  6. Younes, George Abi & Ayoubi, Charles & Ballester, Omar & Cristelli, Gabriele & de Rassenfosse, Gaetan & Foray, Dominique & Gaule, Patrick & van den Heuvel, Matthias & Webster, Beth & Zhou, Ling, 2020, "COVID-19: Insights from Innovation Economists (with French executive summary)," SocArXiv, Center for Open Science, number 65pgr, Apr, DOI: 10.31235/osf.io/65pgr.
  7. Ayoubi, Charles, 2020, "Machine learning in healthcare: Mirage or miracle for breaking the costs dead-lock?," Thesis Commons, Center for Open Science, number tc24d, Jul, DOI: 10.31237/osf.io/tc24d.

2019

  1. Charles Ayoubi & Michele Pezzoni & Fabiana Visentin, 2019, "Does it Pay to Do Novel Science? The Selectivity Patterns in Science Funding," GREDEG Working Papers, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), Université Côte d'Azur, France, number 2019-37, Nov.
  2. Charles Ayoubi & Michele Pezzoni & Fabiana Visentin, 2019, "The important thing is not to win, it is to take part: What if scientists benefit from participating in research grant competitions?," Post-Print, HAL, number halshs-01934309, Feb.

2018

  1. Sebastian Gryglewicz & Loriano Mancini & Erwan Morellec & Enrique J. Schroth & Philip Valta, 2018, "Transitory versus Permanent Shocks: Explaining Corporate Savings and Investment," Swiss Finance Institute Research Paper Series, Swiss Finance Institute, number 18-21, Mar.
  2. Ovtchinnikov, Alexei V. & Valta, Philip, 2018, "Debt in Political Campaigns," HEC Research Papers Series, HEC Paris, number 1165, Jul, revised 30 Jan 2018.

2017

  1. Charles Ayoubi & Michele Pezzoni & Fabiana Visentin, 2017, "The Important Thing is not to Win, it is to Take Part: What If Scientists Benefit from Participating in Competitive Grant Races?," GREDEG Working Papers, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), Université Côte d'Azur, France, number 2017-27, Sep.
  2. Charles Ayoubi & Michele Pezzoni & Fabiana Visentin, 2017, "At the origins of learning: Absorbing knowledge flows from within the team," Post-Print, HAL, number hal-01630060, Feb, DOI: 10.1016/j.jebo.2016.12.020.
  3. Derrien, François & Frésard, Laurent & Slabik, Victoria & Valta, Philip, 2017, "The Negative Effects of Mergers and Acquisitions on the Value of Rivals," HEC Research Papers Series, HEC Paris, number 1204, May, revised 04 Oct 2017.
  4. Frannois Derrien & Laurent Frrsard & Victoria Slabik & Philip Valta, 2017, "The Effects of Acquisitions on the Value of Rivals in a Winner-Take-Mostt Economy," Working Papers, HAL, number hal-01970731, May.

2016

  1. Charles Ayoubi & Michele Pezzoni & Fabiana Visentin, 2016, "At the Origins of Learning: Absorbing Knowledge Flows from Within or Outside the Team?," GREDEG Working Papers, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), Université Côte d'Azur, France, number 2016-08, Apr.

2014

  1. Erwan Morellec & Philip Valta & Alexei Zhdanov, 2014, "Financing Investment: The Choice between Bonds and Bank Loans," Swiss Finance Institute Research Paper Series, Swiss Finance Institute, number 14-04, May.
  2. Valta, Philip & Frésard , Laurent, 2014, "How Does Corporate Investment Respond to Increased Entry Threat?," HEC Research Papers Series, HEC Paris, number 1046, Dec.

2013

  1. Giovanni Favara & Erwan Morellec & Enrique J. Schroth & Philip Valta, 2013, "Debt Enforcement, Investment, and Risk Taking Across Countries," Swiss Finance Institute Research Paper Series, Swiss Finance Institute, number 13-64, Dec.

2012

  1. Philip Valta & Laurent Frésard, 2012, "Competitive Pressure and Corporate Policies," Post-Print, HAL, number hal-00715394, May.
  2. Philip Valta & Giovanni Favara & Enrique Schroth, 2012, "Strategic Default and Equity Risk Across Countries," Post-Print, HAL, number hal-00758528, Dec, DOI: 10.1111/j.1540-6261.2012.01781.x.
  3. Erwan Morellec & Philip Valta & Alexei Zhdanov, 2012, "Financing Investment: The Choice between Public and Private Debt," Working Papers, HAL, number hal-02058236, Oct, DOI: 10.2139/ssrn.2162896.

2010

  1. Philip Valta & G. Favara & E. Schroth, 2010, "Is shareholder's Strategic Default Behavior Priced? Evidence from the International Cross-Section of Stocks," Post-Print, HAL, number hal-00543613.
  2. Philip Valta, 2010, "Competition and the Cost of Debt," Post-Print, HAL, number hal-00543614, Dec.

2008

  1. Philip Valta, 2008, "Strategic Behavior, Financing, and Stock Returns," Working Papers, HAL, number hal-00515923, Feb.

Journal articles

2023

  1. Charles Ayoubi & Boris Thurm, 2023, "Knowledge diffusion and morality: Why do we freely share valuable information with Strangers?," Journal of Economics & Management Strategy, Wiley Blackwell, volume 32, issue 1, pages 75-99, January, DOI: 10.1111/jems.12496.
  2. Jakob, Sascha & Valta, Philip, 2023, "What do market participants learn from share repurchases? Evidence from a return decomposition," Journal of Corporate Finance, Elsevier, volume 82, issue C, DOI: 10.1016/j.jcorpfin.2023.102451.
  3. Derrien, François & Frésard, Laurent & Slabik, Victoria & Valta, Philip, 2023, "Industry asset revaluations around public and private acquisitions," Journal of Financial Economics, Elsevier, volume 147, issue 1, pages 243-269, DOI: 10.1016/j.jfineco.2021.10.003.
  4. Alexei V. Ovtchinnikov & Philip Valta, 2023, "Self-Funding of Political Campaigns," Management Science, INFORMS, volume 69, issue 4, pages 2425-2448, April, DOI: 10.1287/mnsc.2022.4404.

2022

  1. Sebastian Gryglewicz & Loriano Mancini & Erwan Morellec & Enrique Schroth & Philip Valta, 2022, "Understanding Cash Flow Risk," The Review of Financial Studies, Society for Financial Studies, volume 35, issue 8, pages 3922-3973.

2021

  1. Charles Ayoubi & Michele Pezzoni & Fabiana Visentin, 2021, "Does It Pay to Do Novel Science? The Selectivity Patterns in Science Funding," Science and Public Policy, Oxford University Press, volume 48, issue 5, pages 635-648.

2019

  1. Ayoubi, Charles & Pezzoni, Michele & Visentin, Fabiana, 2019, "The important thing is not to win, it is to take part: What if scientists benefit from participating in research grant competitions?," Research Policy, Elsevier, volume 48, issue 1, pages 84-97, DOI: 10.1016/j.respol.2018.07.021.

2017

  1. Ayoubi, Charles & Pezzoni, Michele & Visentin, Fabiana, 2017, "At the origins of learning: Absorbing knowledge flows from within the team," Journal of Economic Behavior & Organization, Elsevier, volume 134, issue C, pages 374-387, DOI: 10.1016/j.jebo.2016.12.020.
  2. Favara, Giovanni & Morellec, Erwan & Schroth, Enrique & Valta, Philip, 2017, "Debt enforcement, investment, and risk taking across countries," Journal of Financial Economics, Elsevier, volume 123, issue 1, pages 22-41, DOI: 10.1016/j.jfineco.2016.09.002.

2016

  1. Valta, Philip, 2016, "Strategic Default, Debt Structure, and Stock Returns," Journal of Financial and Quantitative Analysis, Cambridge University Press, volume 51, issue 1, pages 197-229, February.
  2. Laurent Frésard & Philip Valta, 2016, "How Does Corporate Investment Respond to Increased Entry Threat?," The Review of Corporate Finance Studies, Society for Financial Studies, volume 5, issue 1, pages 1-35.

2015

  1. Erwan Morellec & Philip Valta & Alexei Zhdanov, 2015, "Financing Investment: The Choice Between Bonds and Bank Loans," Management Science, INFORMS, volume 61, issue 11, pages 2580-2602, November, DOI: 10.1287/mnsc.2014.2005.

2012

  1. Giovanni Favara & Enrique Schroth & Philip Valta, 2012, "Strategic Default and Equity Risk Across Countries," Journal of Finance, American Finance Association, volume 67, issue 6, pages 2051-2095, December, DOI: j.1540-6261.2012.01781.x.
  2. Valta, Philip, 2012, "Competition and the cost of debt," Journal of Financial Economics, Elsevier, volume 105, issue 3, pages 661-682, DOI: 10.1016/j.jfineco.2012.04.004.

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