Publications

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08 Sep 2003
Research & Ideas

A Bold Proposal for Investment Reform

critical look at companies' financial statements. Stock exchanges could fund the cost of audits through a modest transactions charge. Q: In your article you argue that the availability of high quality information is crucial to an... View Details

Keywords: by Ann Cullen; Financial Services

23 Feb 2011
News

Low Risk, High Reward

Article

CDS Trading and Nonrelationship Lending Dynamics

By: Jung Koo Kang, Christopher Williams and Regina Wittenberg-Moerman

We investigate how credit default swaps (CDSs) affect lenders’ incentives to initiate new lending relationships. We predict that CDSs reduce adverse selection that nonrelationship lead arrangers face when competing for loans. Consistently, we find that a loan is... View Details

Keywords: Credit Default Swaps; CDS Market; Non-relationship Lending; Debt Contracts; Adverse Selection; Lending Monitoring; Cross-selling

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2014
Article

Expectations of Returns and Expected Returns

By: Robin Greenwood and Andrei Shleifer

We analyze time-series of investor expectations of future stock market returns from six data sources between 1963 and 2011. The six measures of expectations are highly positively correlated with each other, as well as with past stock returns and with the level of the... View Details

Keywords: Performance Expectations; Investment Return

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February 2019 (Revised September 2021)
Case

The a2 Milk Company

By: Benjamin C. Esty and Daniel Fisher

The a2 Milk Company (a2MC) became the most valuable company listed on the New Zealand stock exchange in 2018 by capitalizing on a biochemical discovery related to the protein composition of cow's milk. Because many people find the A1 protein difficult to digest, and... View Details

10 Nov 2011
News

Gauging Groupon’s Public Offering

January 2020
Case

SK Group: Social Progress Credits

By: George Serafeim, Ethan Rouen and David Freiberg

SK Group was one of the largest companies South Korea. A family-run conglomerate consisting of around 120 subsidiaries and employing more than 100,000, SK was tightly knit into the fabric of Korean society. SK viewed their future success as contingent upon the strength... View Details

Benson P. Shapiro is a well-known authority on marketing strategy and sales management with particular interests in pricing, product line planning, and marketing organization. He is also the Malcolm P. McNair Professor of Marketing Emeritus at the Harvard Business... View Details

March 1992 (Revised November 1993)
Case

Beta Management Co.

A manager of a small investment company has been successfully using index funds for limited market timing. Growth has allowed her to move into picking stocks. She is considering two small and highly variable listed stocks, but is concerned about the risk that these... View Details

Keywords: Risk and Uncertainty; Stocks; Financial Services Industry

11 Aug 2014
Working Paper Summaries

Decision Making Under Information Asymmetry: Experimental Evidence on Belief Refinements

Keywords: by William Schmidt & Ryan W. Buell

April 2025
Article

The Disappearing Index Effect

By: Robin Greenwood and Marco Sammon

The abnormal return associated with a stock being added to the S&P 500 has fallen from an average of 7.4% in the 1990s to 0.3% over the past decade. This has occurred despite a significant increase in the share of stock market assets linked to the index. A similar... View Details

Keywords: Stocks; Investment Return; Value

May 2020 (Revised November 2021)
Supplement

Valuing Peloton

By: E. Scott Mayfield

Peloton Interactive, a well-known unicorn in the connected fitness space, had gone public with a market capitalization of over $8.0 billion. In the weeks following its public debut, Peloton’s stock price fell by over 25%. Taylor Knox, a stock analyst and enthusiastic... View Details

Keywords: Business Model; Disruptive Innovation; Risk and Uncertainty; Stocks; Price; Valuation; Entertainment and Recreation Industry

29 Mar 2016
News

In Starwood Deal, Conventional Wisdom Upended

December 1994
Case

Alpha-Beta Technology, Inc. (B): Trials with Betafectin

This case follows the development of a firm's first product, the public presentation of research results, and the stock market reactions. In spite of successful research, the stock price falls dramatically. Asks why this happened, how concerned the CEO should be,... View Details

Keywords: Product Development; Biotechnology Industry