The Uptick Rule and a Long View of Short Selling
Karl Diether has studied the uptick rule and finds that its effects on liquidity and volatility are small and best viewed as distortions caused by the rule itself.
Karl Diether has studied the uptick rule and finds that its effects on liquidity and volatility are small and best viewed as distortions caused by the rule itself.
Brian Tomlin explores how companies can manage risks lurking in their supply chains and discovers that the nature of the risk matters.
Peter Golder’s study of brand persistence shows that a recession may be a top brand’s best friend.
Assistant Professor Y. Jackie Luan has developed an econometric model to help film studios find balance—and maximum revenue—as theaters and DVDs fight it out.
Investor behavior has long been at odds with investor wisdom. Most investors chase potential profits by actively buying and selling stocks—or by hiring someone else to do it for them—although trading costs and management fees significantly reduce their net returns. New research by Tuck Professor Kenneth R. French quantifies the costs of such active investing and provides strong evidence that a passive approach is better for most investors.
Ron Adner raises new issues regarding the design of business models in the collaborative partnerships known as innovation ecosystems.
Andrew King worries that industry self-regulation may attract “undue credence,” but his research is discovering factors that can help make it a success.
Leslie Robinson and Phillip Stocken’s creative use of closely-held accounting data shows a long-term trend to more autonomy for U.S. overseas subsidiaries.
Robert Shumsky finds that sharing agreements among alliance members may limit revenue for the alliance as a whole.
Leslie Robinson’s research reveals surprising results on the repatriation decisions of U.S. multinational corporations.
Praveen Kopalle’s research demonstrates that so-called “emergent consumers” can help create more appealing products.
To function best, a "free market" requires the support of institutions. Without laws that provide for the enforcement of contracts, people are less likely to engage in trade, and beneficial exchanges go unrealized. Without a means to protect intellectual property, inventors fear to reveal their ideas and technological progress is suppressed.
Katharina Lewellen and her colleagues find that managers are effective at identifying mispricing of their own securities and are willing to exploit it by selling or buying securities using the corporate account.
Electronic medical records are in the news, with President Obama calling for the medical records of every American to be digitized by 2014, and the stimulus package providing $19 billion to make it happen.
Forty years ago, economist William Sharpe rattled Wall Street when he balanced risks and rewards mathematically. At first seen as heretical and later as “commanding,” his capital asset pricing model (CAPM) earned him the Nobel prize in 1990. Succeeding generations of distinguished scholars have continued to tweak the model and debate it, among them Tuck Professor Jonathan Lewellen.
Richard D’Aveni and former Tuck professor Koen Pauwels have come up with a new method to uncover the nature and structural changes of competition in fast-changing markets.
Kusum Ailawadi has run the numbers—lots of numbers—and discovered that the best defense is fine-tuned for individual stores and categories.
The economy is in a major downturn, and supermarket prices for products ranging from milk and eggs to shampoo and laundry detergent are up 20 to 70 percent compared to a year ago. Just the kind of environment in which consumers tend to shift from national brands to significantly lower priced private labels, and at a time when private labels are already seeing a worldwide surge in availability and market share.
In 2008, Peter Golder, then at NYU, and his coauthor, Debanjan Mitra, published, "Does Academic Research Help or Hurt MBA Programs?" in the Journal of Marketing. Their results showed that research did in fact benefit MBA programs.