This paper demonstrates that rating-based capital requirements, through their impact on insurers' investment demand, affect corporate bond prices. Consistent with insurers' low demand for investment-grade (IG) bonds with a rating close to non-investment-grade, these bonds are underpriced....

We test the efficient market hypothesis by using machine learning to forecast future stock returns from historical performance. These forecasts strongly predict the cross section of future stock returns. The predictive power holds in most subperiods, is strong among the largest 500 stocks, and...

I investigate the relation between option prices and daily stock return serial correlation. I demonstrate that the variance ratio, calculated as the ratio of realized to implied stock return variance, has both a contemporaneous and predictive relation with stock return serial correlation. The...

This paper reports significant discrepancies in the Census’s methods and reports of online and physical retail sales in the United States. We recommend material changes in how the Census Bureau reports e-commerce and physical sales reported to it. We also recommend that the Census commission...

Purpose – Short option positions carry significant risk of losses well in excess of 100 per cent of the initial option price. Margin requirements associated with such positions are therefore considerable. The purpose of this paper is to develop a methodology for calculating margin...

Purpose – Short option positions carry significant risk of losses well in excess of 100 per cent of the initial option price. Margin requirements associated with such positions are therefore considerable. The purpose of this paper is to develop a methodology for calculating margin...

Purpose – Short option positions carry significant risk of losses well in excess of 100 per cent of the initial option price. Margin requirements associated with such positions are therefore considerable. The purpose of this paper is to develop a methodology for calculating margin...