Cinquegrana, Piero. (2009) Short Selling: A known unknown. ECMI Commentary No. 23, 29 May 2009. [Policy Paper]
Abstract
Fears of systemic meltdown following the collapse of Lehman Brothers in September 2008 led to uncoordinated regulatory interventions around the world to ban or restrict short selling, a technique that allows one to profit from falling stock prices. The suspicion that ‘bear raids’ were having a negative impact on stock prices in general and financial stocks in particular motivated these regulatory developments. The ban on short selling reignited a long-standing debate on this controversial technique. This ECMI Commentary explores three fundamental questions posed by short selling. The first issue is of a conceptual nature: Is short selling legitimate and, if so, is it beneficial for financial markets? The second issue is: What is the difference between naked and covered short selling? The third question is legal in nature: Is short selling consistently defined across jurisdictions?
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