We test the hypothesis that investment banking networks affect stock prices and trading behavior. Consistent with the notion that investment banks serve as information hubs for segmented groups of investors, the stock prices of firms that use the same lead underwriter during their equity...

Voucher privatization in the Czech Republic presented a natural experiment of the ability of investors to construct their portfolios under conditions of asymmetric information and the absence of stock market prices. This paper provides a theoretical model of an optimal portfolio choice made by...

A competitive stock market is embedded into a neoclassical growth economy to analyze the interplay between the acquisition of information about firms, its partial revelation through stock prices, capital allocation and income. The stock market allows investors to share their costly private...

We develop a principal-agent model based on a sequential game played by a representative investor and a fund manager in an asymmetric information framework. The model shows that investors’ perceptions of the fund market play the key role in the fund’s fee-setting mechanism. The managers’...

We propose a model of delegated asset management in which individual investors are more informed about the domestic market than the foreign market and face uncertainty about quality of portfolio managers. The model shows that asymmetric information of individual investors results in home bias...

This paper extends previous resuls on optimal insurance trading in the presence of a stock market that allows continuous asset trading and substantial personal heterogeneity, and applies those results in a context of asymmetric information with references to the role of genetic testing in...

The paper introduces a model of price formation in an economy with a decentralized dealership market for each of the traded securities, in continuous time. Each dealer is a competitive liquidity provider for non-dealer investors in the partial market for the given security. Quotes are in the...

This paper discusses evidence on the initial underpricing of Initial Public Offerings in the Athens Stock Exchange, during the period 1990-2003. Differences in average initial returns are analyzed in terms of differential IPO characteristics. The findings suggest that in the Athens Stock...

Using a novel and unique dataset from Norway, we analyze whether professional proximity is associated with asymmetric information and abnormal returns. We find that individuals hold an excess weight in stocks that are professionally close. For example, after excluding holdings of own-company and...