Positive return correlation signals slowly-diffusing information. Short sell-constrained institutions are mainly informed in their buy trades. Building on these facts, we identify informed investors ex ante by focusing on mutual funds. We propose a measure of the dynamic excess autocorrelation...

We study IPOs by focusing on the degree of portfolio diversification of the shareholders taking the company public. We argue that a less diversified shareholder has more to gain from taking the company public and would be more willing to accept a lower price for the sale of its shares, i.e....

We study how the introduction of a defined contribution market based retirement system affects the propensity of the investor to participate in the stock market. By using data on the quot;Swedish experimentquot;, we focus on the decision to invest directly in stocks and we see how it changes...

We examine the dynamic ownership structure of corporate bonds after initial issuance. We find that as bonds “season”, the market learns more about them. This learning leads to less concentrated bond ownership over time. Specifically, learning induces a shift in bond ownership from more...

We study how the presence of short sellers affects the incentives of the insiders to trade on negative information. We show it induces insiders to sell more (shares from their existing stakes) and trade faster to preempt the potential competition from short sellers. An experiment and...

When companies raise equity finance they have to make two choices: the issuing method (cash versus rights) and, when they choose the rights issue method, whether rights should be traded or not. We study these choices using a sample of 15,751 rights issues and 22,016 cash offers announced during...

We investigate whether providers of news analytics affect the stock market. We exploit a unique identification strategy based on revisions between different product releases of a major provider of news analytics. We document a causal effect of news analytics on the market, irrespective of the...

We study the effects of the controlling shareholders' portfolio diversification on the IPO process. Less-diversified shareholders have more to gain from taking their firm public, and are more willing to accept a lower price for shares. We test these hypotheses using the data on all IPOs in...

We investigate the way investors react to prior gains/losses and the so called quot;familiarityquot; bias. We use a new and unique dataset with detailed information on investors' various components of wealth, income, demographic characteristics and portfolio holdings identified at the stock...