Christopher Geczy

• Christopher Geczy, Robert F. Stambaugh, David Levin (2021), Investing in Socially Responsible Mutual Funds, The Review of Asset Pricing Studies, 11 (2), pp. 309-351. Abstract

  We construct optimal portfolios of mutual funds whose objectives include socially responsible investment (SRI). Comparing portfolios of these funds to those constructed from the broader fund universe reveals the cost of imposing the SRI constraint on investors seeking the highest Sharpe ratio. This SRI cost crucially depends on the investor’s views about asset pricing models and stock-picking skill by fund managers. To an investor who strongly believes in the CAPM and rules out managerial skill, that is, a market index investor, the cost of the SRI constraint is typically just a few basis points per month, measured in certainty-equivalent loss. To an investor who still disallows skill but instead believes to some degree in pricing models that associate higher returns with exposures to size, value, and momentum factors, the SRI constraint is much costlier, typically by at least 30 basis points per month. The SRI constraint imposes large costs on investors whose beliefs allow a substantial amount of fund-manager skill, that is, investors who heavily rely on individual funds’ track records to predict future performance

• Christopher Geczy, Jessica Jeffers, David Musto, Anne M. Tucker (2021), Contracts with (Social) Benefits: The Implementation of Impact Investing, Journal of Financial Economics, 142 (2), pp. 697-718. 10.1016/j.jfineco.2021.01.006 Abstract

  We draw on new data and theory to examine how private market contracts adapt to serve multiple goals, particularly the social-benefit goals that impact funds add to their financial goals. Counter to the intuition from multitasking models (Holmstrom and Milgrom, 1991), few impact funds tie compensation directly to impact, and most retain traditional financial incentives. However, funds contract directly on impact in other ways and adjust aspects of the contracts like governance. In the cross-section of impact funds, those with higher profit goals contract more tightly around both goals. We propose an explanatory framework in which this feature results from hidden differences between agents’ preferences over impact.

• Christopher Geczy, John B. Guerard, Mikhail Samonov (2020), Warning: SRI Need Not Kill Your Sharpe and Information Ratios—Forecasting of Earnings and Efficient SRI and ESG Portfolios, Journal of Investing, 29 (2), pp. 110-127. https://doi.org/10.3905/joi.2020.1.115 Abstract

  Using an earnings forecasting model is useful and produces statistically significant outperformance in US stock selection. This study finds that the incorporation of environmental, social, and governance (ESG) criteria can potentially enhance stockholder returns, holding risk constant under reasonable assumptions. The novel approach here uses a normalization of ESG strengths and weaknesses ratings, applied in both robust simply-weighted and realistic optimized portfolio settings. The study confirms a now-classical no-cost result for the overall ESG criteria and—with Human rights and Corporate Governance criteria—shows that SRI and ESG information can enhance portfolio returns in certain implementations. Thus, SRI and ESG investors may not necessarily have to expect lower portfolio returns and Sharpe ratios under all circumstances.

• Christopher Geczy and Mikhail Samonov (2018), Two Centuries of Price-Return Momentum, Financial Analysts Journal, Volume 72 (No. 5).
• Christopher Geczy, David Musto, Jessica Jeffers, Anne M. Tucker (2017), In Pursuit of Good & Gold: Data Observations of Employee Ownership & Impact Investment, Seattle University Law Review, 40 ().
• Christopher Geczy (2016), The New Diversification: Open Your Eyes to Alternatives, The Journal of Portfolio Management, 40:5 ().
• Christopher Geczy, David Musto, Jessica Jeffers, Anne M. Tucker (2015), Institutional Investing When Shareholders Are Not Supreme, Harvard Business Law Review , 5:1 ().
• Christopher Geczy (2013), Financial Market Assumptions & Models for Pension Plans: A Technical Comment on the PIMS Model Assumptions for Asset Markets, incorporated in report of the Technical Review Panel for the Pension Insurance Modeling System (PIMS) (Olivia S. Mitchell, chair), Pension Benefit Guaranty Corporation.
• Rich Evans, Christopher Geczy, David Musto, Adam V. Reed (2009), Failure is an Option: Impediments to Short Selling and Options Prices, Review of Financial Studies, 22 (5). https://doi.org/10.1093/rfs/hhm083 Abstract

  Regulations allow market makers to short sell without borrowing stock, and the transactions of a major options market maker show that in most hard-to-borrow situations, it chooses not to borrow and instead fails to deliver stock to its buyers. Some of the value of failing passes through to option prices: when failing is cheaper than borrowing, the relation between borrowing costs and option prices is significantly weaker. The remaining value is profit to the market maker, and its ability to profit despite the usual competition between market makers appears to result from a cost advantage of larger market makers at failing.

• Christopher Geczy, Susan Christoffersen, David Musto, Adam Reed (2007), Vote Trading and Information Aggregation, Journal of Finance. Abstract

  The standard analysis of corporate governance assumes that shareholders vote in ratios that firms choose, such as one share-one vote. However, if the cost of unbundling and trading votes is sufficiently low, then shareholders choose the ratios. We document an active market for votes within the U.S. equity loan market, where the average vote sells for zero. We hypothesize that asymmetric information motivates the vote trade and find support in the cross section. More trading occurs for higher-spread and worse-performing firms, especially when voting is close. Vote trading corresponds to support for shareholder proposals and opposition to management proposals.

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Past Courses

• FNCE2050 - Investment Management

  This course studies the concepts and evidence relevant to the management of investment portfolios. Topics include diversification, asset allocation, portfolio optimization, factor models, the relation between risk and return, trading, passive (e.g., index-fund) and active (e.g., hedge-fund, long-short) strategies, mutual funds, performance evaluation, long-horizon investing and simulation. The course deals very little with individual security valuation and discretionary investing (i.e., "equity research" or "stock picking"). In addition to course prerequisites, STAT 1020 may be taken concurrently.

• FNCE2540 - ESG and Impact Investing

  This course explores Impact Investing, a discipline that seeks to generate social benefits as well as financial returns. From tiny beginnings, the Impact Investment space has expanded and now commands significant attention from policymakers, wealthy and public-spirited individuals, academia and, not least, the world's largest asset managers and philanthropic foundations. Evangelists believe it may be the key to freeing the world from poverty. Skeptics think it will remain confined to the boutique. Regardless, Impact Investing is becoming a distinct career specialization for finance professionals despite the diverse skillset each must have and the uncertainty of the new field's growth. In addition to prerequisites, FNCE 2050 is recommended but not required.

• FNCE3990 - Independent Study

  Integrates the work of the various courses and familiarizes the student with the tools and techniques of research.

• FNCE7050 - Investment Management

  This course studies the concepts and evidence relevant to the management of investment portfolios. Topics include diversification, asset allocation, portfolio optimization, factor models, the relation between risk and return, trading, passive (e.g., index-fund) and active (e.g., hedge-fund, long-short) strategies, mutual funds, performance evaluation, long-horizon investing and simulation. The course deals very little with individual security valuation and discretionary investing (i.e., "equity research" or "stock picking").

• FNCE7540 - ESG and Impact Investing

  This course explores Impact Investing, a discipline that seeks to generate social benefits as well as financial returns. From tiny beginnings, the Impact Investment space has expanded and now commands significant attention from policymakers, wealthy and public-spirited individuals, academia and, not least, the world's largest asset managers and philanthropic foundations. Evangelists believe it may be the key to freeing the world from poverty. Skeptics think it will remain confined to the boutique. Regardless, Impact Investing is becoming a distinct career specialization for finance professionals despite the diverse skillset each must have and the uncertainty of the new field's growth. In addition to prerequisites, FNCE 7050 is recommended but not required.

• FNCE8990 - Independent Study

  Independent Study Projects require extensive independent work and a considerable amount of writing. ISP in Finance are intended to give students the opportunity to study a particular topic in Finance in greater depth than is covered in the curriculum. The application for ISP's should outline a plan of study that requires at least as much work as a typical course in the Finance Department that meets twice a week. Applications for FNCE 8990 ISP's will not be accepted after the THIRD WEEK OF THE SEMESTER. ISP's must be supervised by a Standing Faculty member of the Finance Department.

• MLA6990 - Capstone Project

  Please be in touch with the department for further details

• Wharton Teaching Excellence Award, 2023
• Wharton Teaching Excellence Award, 2023
• Investment for Impact Research Prize, Center for Responsible Business, Haas School of Business, University of California, Berkeley, 2018., 2019
• Wharton Teaching Excellence Award, 2018
• Best Paper Award, Annual Conference on Market Structure and Market Integrity, 2006
• Best Elective Course Teaching Award, Wharton West, Executive MBA Program, 2006
• Caesarea Prize for the Best Paper on Risk Management, Western Finance Association, for ”Taking a View: On Corporate Speculation and Governance", 2004
• Weiss Center for International Financial Research research grant, 2004
• The Bank of Canada Award for ”The Limits to Dividend Arbitrage: Implications for Cross-Border Investment”, 2003
• Moskowitz Prize (Honorable Mention) for ”Investing in Socially Responsible Mutual Funds”, 2003
• Zicklin Center Research Grant for “The Performance of Socially Screened Mutual Funds and the Convictions of Investors", 2002
• Q Group Research Grant for ”Stocks are Special, Too", 2000
• Rodney L. White Center (Wharton) research grants, 1997 (1), 1999 (2), 2001(1), 2002(2), 2003, 2004, 1997
• Nominated for the Smith Breeden Prize for the best paper in the Journal of Finance for “Why Firms Use Currency Derivatives", 1997
• Center for Research in Security Prices Research Grant, 1993

Knowledge @ Wharton

• Why Do So Many EV Startups Fail?, Knowledge @ Wharton - 05/16/2024
• Eshan Ponnadurai, Head of Meta’s Consumer Marketing, Knowledge @ Wharton - 05/16/2024
• Julie Nollet, Chief Marketing Officer at Hennessy (LVMH), Knowledge @ Wharton - 05/16/2024
• NBA Motion Tracking Data, Knowledge @ Wharton - 05/15/2024
• New Survey Shows Retirement Confidence Has Not Returned to Previous Levels, Knowledge @ Wharton - 05/14/2024
• Four Pillars of Decision-driven Analytics, Knowledge @ Wharton - 05/14/2024
• Why Banks Are Worried About the ‘Basel III Endgame’, Knowledge @ Wharton - 05/14/2024
• Has Music Become Less Misogynistic?, Knowledge @ Wharton - 05/14/2024
• Next Crisis: Empty Office Buildings | Joe Gyourko, Knowledge @ Wharton - 05/14/2024
• Why Do Stocks Trade at Such Different Multiples or Valuation Ratios?, Knowledge @ Wharton - 05/09/2024