Most stock exchange regulators around the world reacted to the 2007-2009 crisis byimposing bans or regulatory constraints on short-selling. Short-selling restrictions wereimposed and lifted at different dates in different countries, often applied to different sets ofstocks and featured different...

Most stock exchange regulators around the world reacted to the 2007-2009 crisis byimposing bans or regulatory constraints on short-selling. Short-selling restrictions wereimposed and lifted at different dates in different countries, often applied to different sets ofstocks and featured different...

Luckin Coffee was extolled as the Chinese challenger of Starbucks. However, nine months after its IPO on NASDAQ, Luckin was accused of accounting fraud but did not confessed to the allegations until two months later. This scandal caused wide concerns, not only on Luckin but also two related...

The literature on short selling restrictions focuses mainly on a ban's impact on market efficiency, liquidity and overpricing. Surprisingly, little is known about the effects of short selling restrictions on institutional investors' trading behavior.Since institutional investors dominate mature...

This paper investigates how firm debt disproportionately impacted the stock returns of firms who were highly exposed to the economic consequences of social distancing. Specifically, I use a difference-in-difference design to causally identify the impact that higher levels of firm debt had for...

International financial relations have largely been defined by cross-border trade, foreign direct investments, and global banking relations. This paper demonstrates that another activity, sovereign investments by special vehicles known as sovereign wealth funds, is rapidly redefining the...

In the Fall of 2011, futures market participants were caught off-guard when MF Global filed for bankruptcy. Essentially, this episode educated industry participants that customer protections in the U.S. commodity futures markets had been more ambiguous than expected. That said, there are a...

This article covers the trading blowups at the hedge fund, Amaranth, and at the Futures Commission Merchant, MF Global. Although the lessons from the Amaranth blowup can best be understood in terms of market-risk principles, the lessons from the MF Global bankruptcy are best understood in terms...

In U.S. dollar terms, crude oil prices increased 525% from the end-of-2001 through July 31st, 2008. Was this rally yet another speculative bubble? Specifically, has the oil rally been based on speculative excess rather than fundamental supply-and-demand factors? In summary, this paper argues...