We study competitive, but strategic, brokers executing trades for an informed trader in multi-period setting. The brokers can choose to (a) execute the order, as agents, first, and trade for themselves as dealers, afterwards; or (b) trade for themselves first and execute the order later. We show...

Standard theoretical models predict that domestic residents should diversify their portfolios into foreign assets much more than observed in practice. Whether this lack of diversification is important depends on the potential gains from risk-sharing. General equilibrium models and consumption...

We provide a simple and intuitive measure of interdependence of asset returns and/or volatilities. In particular, we formulate and examine precise and separate measures of return spillovers and volatility spillovers. Our framework facilitates study of both non-crisis and crisis episodes,...

Several explanations for the observed limited stock market participation have been offered in the literature. One of the most promising one is the presence of market frictions mostly in the form of fixed entry and/or transaction costs. Empirical studies strongly point to a significant structural...