Major bubble episodes are rare events. In this paper, we examine what factors might cause some asset price bubbles to become very large. We recreate, in a laboratory setting, some of the specific institutional features investors in the South Sea Company faced in 1720. Several factors have been...

The media are increasingly recognized as key players in financial markets. I investigate their causal impact on trading and price formation by examining national newspaper strikes in several countries. Trading volume falls 12% on strike days. The dispersion of stock returns and their intraday...

We examine the effect of close ties with the NSDAP on the stock price of listed firms in 1932-33. We consider not only links between the National Socialists and executives, as was common in earlier work, but also with supervisory board members – whose importance is hard to overestimate in the...