Did the August 2011 European short sale bans on financial stocks accomplish their goals? In order to answer this question, we use stock options' implied volatility skews to proxy for investors' risk aversion. We find that on ban announcement day, risk aversion levels rose for all stocks but more...

This article analyses the market reaction to stock splits announcements, using a unique US sample over the period 2000 to 2009. Our event study finds a significantly positive Cumulative Average Abnormal Return (CAAR) around the announcement date. Liquidity increases lead to higher stock price...

Are celebrity endorsements worthwhile investments in advertising‘ To answer this question we analyze a unique sample of 101 announcements made between 1996 and 2008 by firms listed in the US. Internet is the main medium of communication for these announcements. We employ event study...

We use extreme value theory to analyse the tails of a momentum strategy's return distribution. The asymmetry between the fat left tail and thin right tail strongly reduces a momentum strategy's prospective utility levels

This paper examines how the implementation of a new dark order - Midpoint Extended Life Order on NASDAQ - impacts financial markets stability in terms of occurrences of mini-flash crashes in individual securities. We use high-frequency order book data and apply panel regression analysis to...

The discount control mechanisms that closed-end funds often choose to adopt before IPO are supposedly implemented to narrow the difference between share price and net asset value, We find evidence that non-discretionary discount control mechanisms such as mandatory continuation votes serve as...