We re-examine the impact of short-sale constraints (SSC) on market stabilization via realized jump activities during 2002–2009 to circumvent the reverse causality in identifying the policy effects of SSC. We observed that the abnormal downturns under tighter short sale constraints are...

In this paper, we develop a utility based economic measure for diversification benefits, calculated as the maximum premium that an investor is willing to pay for holding a more diversified portfolio. The utility based economic measure allows one to evaluate the expansion of the investment...

Purpose – In this paper, the authors aim to test the assertion that options act as a substitute for short sales by allowing investors an alternative way to act on bearish sentiment. An empirical test of this assertion requires a researcher to observe both types of firm – those that weren’t...

In the Chinese stock market, the regulatory agency lists qualified stocks on announcement date and permits investors to sell short on the effective date, a practice that allows us to directly study the impact of short sale constraints. Applying an event study to 511 additions, between February...

Speculators can discover whether a signal is true or false by processing it but this takes time. Hence they face a trade-off between trading fast on a signal (i.e., before processing it), at the risk of trading on a false news, or trading after processing the signal, at the risk that prices...

This paper examines whether NASDAQ dealers' preopening quotes might be related to non-fundamental information, that is, information about transient trading pressure un- related to fundamentals. Preopening quotes posted by wholesalers (dealers specialized in market-making and thus presumably more...

This paper examines whether NASDAQ dealers' preopening quotes might be related to non-fundamental information, that is, information about transient trading pressure unrelated to fundamentals. Preopening quotes posted by wholesalers (dealers specialized in market-making and thus presumably more...

Speculators can discover whether a signal is true or false by processing it but this takes time. Hence they face a trade-off between trading fast on a signal (i.e., before processing it), at the risk of trading on a false positive, or trading after processing the signal, at the risk that prices...

This paper develops a theory of multiple unit auctions with short squeezes in the post- auction market. This is especially relevant for financial and commodity markets where players may enter the auction with established forward positions. We study how a potential short squeeze impacts on...