This paper examines the impact of market timing and legal changes in 2005, aimed at aligning Polish regulations on financial markets with the UE standards, on the amount of capital raised at initial public offerings (IPOs) on the Warsaw Stock Exchange. We find that although during IPOs firms...

We investigate the impact of short selling and margin trading on measures of price efficiency, characteristics of stock returns distributions, and price clustering in the Chinese equity market. Short selling and margin trading was permitted on selected stocks from March 31, 2010 and was...

I use the global crisis of 1914 as a window onto the phenomenon of investor reaction to complex news — such as sudden political upheaval. Based on a novel database of all stocks traded on the NYSE during 1914, along with “real-time” news accounts from major newspapers, I show that NYSE...

Fast trading and fragmentation of volume make equity markets complex, leading retail and institutional investors to demand sophisticated brokerage services. In a sample of stock transactions in Swedish large-cap firms, we find that brokers who show high trading sophistication when trading their...

This paper studies whether equity short sales and options are complements or substitutes and finds that they are substitutes when the underlying market faces short-selling constraints. This substitutability is associated with the following implications for stock price volatility and stock market...

Bearish option strategies and short sales can be used to profit from falling stock prices. Regulators have repeatedly banned the latter, fearing it would artificially drive down stock prices during crises. This paper uses the 2011 European Short Sale Bans as well as the temporary suspension of...

This paper studies whether equity short sales and options are complements or substitutes and finds that they are substitutes when the underlying market faces short-selling constraints. This substitutability is associated with implications for stock price volatility and stock market liquidity:...

We empirically investigate the participation and transactional liquidity provided by algorithmic vs. human traders during “abnormally” stressful periods, relative to what they do in “normal” periods, and the resultant implications for the quality and fragility of markets. We find strong...