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Olivier Ledoit

Personal Details

First Name:Olivier
Middle Name:
Last Name:Ledoit
Suffix:
RePEc Short-ID:ple718
[This author has chosen not to make the email address public]
http://www.econ.uzh.ch/faculty/ledoit.html
Terminal Degree:1995 Economics Department; Massachusetts Institute of Technology (MIT) (from RePEc Genealogy)

Affiliation

Institut für Volkswirtschaftslehre
Wirtschaftswissenschaftliche Fakutält
Universität Zürich

Zürich, Switzerland
http://www.econ.uzh.ch/
RePEc:edi:seizhch (more details at EDIRC)

Research output

as
Jump to: Working papers Articles

Working papers

  1. David R. Bell & Olivier Ledoit & Michael Wolf, 2023. "A novel estimator of earth's curvature (allowing for inference as well)," ECON - Working Papers 431, Department of Economics - University of Zurich, revised Sep 2023.
  2. Olivier Ledoit & Michael Wolf, 2022. "Markowitz portfolios under transaction costs," ECON - Working Papers 420, Department of Economics - University of Zurich, revised Sep 2024.
  3. Gianluca De Nard & Robert F. Engle & Olivier Ledoit & Michael Wolf, 2020. "Large dynamic covariance matrices: enhancements based on intraday data," ECON - Working Papers 356, Department of Economics - University of Zurich, revised Jan 2022.
  4. Zhao Zhao & Olivier Ledoit & Hui Jiang, 2019. "Risk reduction and efficiency increase in large portfolios: leverage and shrinkage," ECON - Working Papers 328, Department of Economics - University of Zurich, revised Jan 2020.
  5. Olivier Ledoit & Michael Wolf, 2019. "The power of (non-)linear shrinking: a review and guide to covariance matrix estimation," ECON - Working Papers 323, Department of Economics - University of Zurich, revised Feb 2020.
  6. Olivier Ledoit & Michael Wolf, 2019. "Quadratic shrinkage for large covariance matrices," ECON - Working Papers 335, Department of Economics - University of Zurich, revised Dec 2020.
  7. Olivier Ledoit & Michael Wolf, 2019. "Shrinkage estimation of large covariance matrices: keep it simple, statistician?," ECON - Working Papers 327, Department of Economics - University of Zurich, revised Jun 2021.
  8. Olivier Ledoit & Michael Wolf, 2018. "Robust performance hypothesis testing with smooth functions of population moments," ECON - Working Papers 305, Department of Economics - University of Zurich.
  9. Gianluca De Nard & Olivier Ledoit & Michael Wolf, 2018. "Factor models for portfolio selection in large dimensions: the good, the better and the ugly," ECON - Working Papers 290, Department of Economics - University of Zurich, revised Dec 2018.
  10. Olivier Ledoit & Michael Wolf, 2017. "Analytical nonlinear shrinkage of large-dimensional covariance matrices," ECON - Working Papers 264, Department of Economics - University of Zurich, revised Nov 2018.
  11. Olivier Ledoit & Michael Wolf, 2016. "Numerical implementation of the QuEST function," ECON - Working Papers 215, Department of Economics - University of Zurich, revised Jan 2017.
  12. Olivier Ledoit & Michael Wolf & Zhao Zhao, 2016. "Efficient Sorting: A More Powerful Test for Cross-Sectional Anomalies," ECON - Working Papers 238, Department of Economics - University of Zurich, revised May 2018.
  13. Robert F. Engle & Olivier Ledoit & Michael Wolf, 2016. "Large dynamic covariance matrices," ECON - Working Papers 231, Department of Economics - University of Zurich, revised Apr 2017.
  14. Olivier Ledoit & Michael Wolf, 2014. "Nonlinear shrinkage of the covariance matrix for portfolio selection: Markowitz meets Goldilocks," ECON - Working Papers 137, Department of Economics - University of Zurich, revised Feb 2017.
  15. Olivier Ledoit & Michael Wolf, 2013. "Optimal estimation of a large-dimensional covariance matrix under Stein’s loss," ECON - Working Papers 122, Department of Economics - University of Zurich, revised Mar 2017.
  16. Olivier Ledoit & Michael Wolf, 2013. "Spectrum estimation: a unified framework for covariance matrix estimation and PCA in large dimensions," ECON - Working Papers 105, Department of Economics - University of Zurich, revised Jul 2013.
  17. David R. Bell & Olivier Ledoit & Michael Wolf, 2012. "A new portfolio formation approach to mispricing of marketing performance indicators with an application to customer satisfaction," ECON - Working Papers 079, Department of Economics - University of Zurich, revised Dec 2013.
  18. Olivier Ledoit, 2011. "Choice Democracy," ECON - Working Papers 038, Department of Economics - University of Zurich.
  19. Olivier Ledoit & Sébastien Lotz, 2011. "The coexistence of commodity money and fiat money," ECON - Working Papers 024, Department of Economics - University of Zurich.
  20. Olivier Ledoit, 2011. "The redistributive effects of monetary policy," ECON - Working Papers 044, Department of Economics - University of Zurich.
  21. Olivier Ledoit & Michael Wolf, 2011. "Nonlinear shrinkage estimation of large-dimensional covariance matrices," IEW - Working Papers 515, Institute for Empirical Research in Economics - University of Zurich.
  22. Olivier Ledoit & Michael Wolf, 2010. "Robust performance hypothesis testing with the variance," IEW - Working Papers 516, Institute for Empirical Research in Economics - University of Zurich.
  23. Timothy Falcon Crack & Olivier Ledoit, 2010. "Central limit theorems when data are dependent: addressing the pedagogical gaps," IEW - Working Papers 480, Institute for Empirical Research in Economics - University of Zurich.
  24. Olivier Ledoit & Sandrine P�ch�, 2009. "Eigenvectors of some large sample covariance matrices ensembles," IEW - Working Papers 407, Institute for Empirical Research in Economics - University of Zurich.
  25. Oliver Ledoit & Michael Wolf, 2008. "Robust Performance Hypothesis Testing with the Sharpe Ratio," IEW - Working Papers 320, Institute for Empirical Research in Economics - University of Zurich.
  26. Olivier Ledoit & Michael Wolf, 2003. "Honey, I Shrunk the Sample Covariance Matrix," Working Papers 92, Barcelona School of Economics.
  27. Ledoit, Olivier & Santa-Clara, Pedro & Yan, Shu, 2002. "Relative Pricing of Options with Stochastic Volatility," University of California at Los Angeles, Anderson Graduate School of Management qt7jp8f42t, Anderson Graduate School of Management, UCLA.
  28. Olivier Ledoit & Michael Wolf, 2001. "Some hypothesis tests for the covariance matrix when the dimension is large compared to the sample size," Economics Working Papers 575, Department of Economics and Business, Universitat Pompeu Fabra.
  29. Ledoit, Olivier & Wolf, Michael, 2000. "A well conditioned estimator for large dimensional covariance matrices," DES - Working Papers. Statistics and Econometrics. WS 10087, Universidad Carlos III de Madrid. Departamento de Estadística.
  30. Ledoit, Olivier & Wolf, Michael, 2000. "Improved estimation of the covariance matrix of stock returns with an application to portfolio selection," DES - Working Papers. Statistics and Econometrics. WS 10089, Universidad Carlos III de Madrid. Departamento de Estadística.
  31. Ledoit, Olivier & Santa-Clara, Pedro & Wolf, Michael, 1999. "Flexible Multivariate GARCH Modeling With an Application to International Stock Markets," University of California at Los Angeles, Anderson Graduate School of Management qt93s6p8gb, Anderson Graduate School of Management, UCLA.
  32. Bernardo, Antonio & Ledoit, Olivier, 1999. "Approximate Arbitrage," University of California at Los Angeles, Anderson Graduate School of Management qt5dj834hk, Anderson Graduate School of Management, UCLA.
  33. Anders Johansen & Didier Sornette & Olivier Ledoit, 1999. "Empirical and Theoretical Status of Discrete Scale Invariance in Financial Crashes," Finance 9903006, University Library of Munich, Germany.
  34. Johansen, Anders & Ledoit, Olivier & Sornette, Didier, 1998. "Crashes at Critical Points," University of California at Los Angeles, Anderson Graduate School of Management qt2s77r0rk, Anderson Graduate School of Management, UCLA.

Articles

  1. Robert F. Engle & Olivier Ledoit & Michael Wolf, 2019. "Large Dynamic Covariance Matrices," Journal of Business & Economic Statistics, Taylor & Francis Journals, vol. 37(2), pages 363-375, April.
  2. Ledoit, Olivier & Wolf, Michael, 2017. "Numerical implementation of the QuEST function," Computational Statistics & Data Analysis, Elsevier, vol. 115(C), pages 199-223.
  3. Ledoit, Olivier & Wolf, Michael, 2015. "Spectrum estimation: A unified framework for covariance matrix estimation and PCA in large dimensions," Journal of Multivariate Analysis, Elsevier, vol. 139(C), pages 360-384.
  4. Ledoit, Oliver & Wolf, Michael, 2008. "Robust performance hypothesis testing with the Sharpe ratio," Journal of Empirical Finance, Elsevier, vol. 15(5), pages 850-859, December.
  5. Ledoit, Olivier & Wolf, Michael, 2004. "A well-conditioned estimator for large-dimensional covariance matrices," Journal of Multivariate Analysis, Elsevier, vol. 88(2), pages 365-411, February.
  6. Ledoit, Olivier & Wolf, Michael, 2003. "Improved estimation of the covariance matrix of stock returns with an application to portfolio selection," Journal of Empirical Finance, Elsevier, vol. 10(5), pages 603-621, December.
  7. Olivier Ledoit & Pedro Santa-Clara & Michael Wolf, 2003. "Flexible Multivariate GARCH Modeling with an Application to International Stock Markets," The Review of Economics and Statistics, MIT Press, vol. 85(3), pages 735-747, August.
  8. Antonio E. Bernardo & Olivier Ledoit, 2000. "Gain, Loss, and Asset Pricing," Journal of Political Economy, University of Chicago Press, vol. 108(1), pages 144-172, February.
  9. Anders Johansen & Olivier Ledoit & Didier Sornette, 2000. "Crashes As Critical Points," International Journal of Theoretical and Applied Finance (IJTAF), World Scientific Publishing Co. Pte. Ltd., vol. 3(02), pages 219-255.
  10. Crack, Timothy Falcon & Ledoit, Olivier, 1996. "Robust Structure without Predictability: The "Compass Rose" Pattern of the Stock Market," Journal of Finance, American Finance Association, vol. 51(2), pages 751-762, June.

More information

Research fields, statistics, top rankings, if available.

Statistics

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Rankings

This author is among the top 5% authors according to these criteria:
  1. Number of Citations
  2. Number of Citations, Discounted by Citation Age
  3. Number of Citations, Weighted by Simple Impact Factor
  4. Number of Citations, Weighted by Simple Impact Factor, Discounted by Citation Age
  5. Number of Citations, Weighted by Recursive Impact Factor, Discounted by Citation Age
  6. Number of Citations, Weighted by Number of Authors
  7. Number of Citations, Weighted by Number of Authors, Discounted by Citation Age
  8. Number of Citations, Weighted by Number of Authors and Simple Impact Factors
  9. Number of Citations, Weighted by Number of Authors and Simple Impact Factors, Discounted by Citation Age
  10. Number of Citations, Weighted by Number of Authors and Recursive Impact Factors, Discounted by Citation Age
  11. Euclidian citation score
  12. Wu-Index

Co-authorship network on CollEc

NEP Fields

NEP is an announcement service for new working papers, with a weekly report in each of many fields. This author has had 27 papers announced in NEP. These are the fields, ordered by number of announcements, along with their dates. If the author is listed in the directory of specialists for this field, a link is also provided.
  1. NEP-ECM: Econometrics (21) 2001-11-27 2001-11-27 2001-12-19 2004-05-16 2008-02-09 2009-04-13 2010-03-13 2010-10-23 2010-10-23 2013-01-26 2013-05-24 2014-02-02 2016-02-29 2016-08-07 2016-12-11 2017-10-08 2018-07-09 2018-11-05 2019-05-13 2019-11-18 2020-08-17. Author is listed
  2. NEP-ETS: Econometric Time Series (8) 2001-11-27 2001-11-27 2001-12-19 2016-08-07 2018-07-09 2018-11-05 2019-05-13 2020-08-17. Author is listed
  3. NEP-ORE: Operations Research (8) 2008-02-09 2010-10-23 2016-08-07 2018-07-09 2019-05-13 2019-07-29 2019-07-29 2019-11-18. Author is listed
  4. NEP-FMK: Financial Markets (3) 2001-11-27 2001-12-19 2022-11-21
  5. NEP-CBA: Central Banking (2) 2011-09-16 2011-11-14
  6. NEP-ENT: Entrepreneurship (2) 2001-11-27 2001-11-27
  7. NEP-MAC: Macroeconomics (2) 2011-09-16 2011-11-14
  8. NEP-MON: Monetary Economics (2) 2011-09-16 2011-11-14
  9. NEP-NET: Network Economics (2) 2001-11-27 2001-11-27
  10. NEP-RMG: Risk Management (2) 2016-08-07 2019-07-29
  11. NEP-CDM: Collective Decision-Making (1) 2011-11-14
  12. NEP-CSE: Economics of Strategic Management (1) 2016-08-07
  13. NEP-FIN: Finance (1) 2004-05-26
  14. NEP-KNM: Knowledge Management and Knowledge Economy (1) 2018-07-09
  15. NEP-POL: Positive Political Economics (1) 2011-11-14

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