This paper investigates the market pricing of subprime mortgage risk on the basis of data for the ABX.HE family of … introduction into ABX index mechanics and a discussion of historical pricing patterns, we use regression analysis to establish the … for the inappropriateness of pricing models that do not sufficiently account for factors such as risk appetite and …

In this paper we examine the quantitative effects of margin regulation on volatility in asset markets. We consider a … presence of collateral constraints leads to strong excess volatility. Thus, a regulation of margin requirements may have … stabilizing effects. However, in line with the empirical evidence on margin regulation in U.S. stock markets, we show that changes …

In this paper we examine the quantitative effects of margin regulation on volatility in asset markets. We consider a … of collateral constraints leads to strong excess volatility. Thus, a regulation of margin requirements may have … stabilizing effects. However, in line with the empirical evidence on margin regulation in U.S. stock markets, we show that changes …

. This specific functional form is predicted by a particular arbitrage pricing model. The paper also examines the possible …