This paper examines the cross-sectional distribution of bid-ask spreads in the S&P 100 index options market. Cross-sectional differences in bid-ask spreads are found to be directly related to differences in market-making costs and trading activity across options. We also examine the relation of...

We study the consumption-investment problem of an agent with a constant relative risk aversion preference function, who possesses noisy information about the future prospects of a stock. We also solve for the value of information to the agent in closed form. We find that information can...