This study examines GNMA prepayment determinants as a function of interest-rate factors and the pure aging effect. While we find both interest-rate and age factors to be important, these relationships are not constant across different pools. This suggests that prepayment forecasts need to be...

Most research on competitive balance (CB) in North American sport leagues examines regular-season outcomes only, and does not analyze the potential impacts of postseason playoff tournaments. This article finds that playoffs do matter in a CB sense, in that they can substantially reconfigure...

Purpose – The purpose of this study is to examine the market-timing ability of mutual fund flows and how fund investors conduct asset allocation in response to market volatility. Design/methodology/approach – The paper compares the abnormal returns of net inflow funds with those of net...

This paper demonstrates how to value American interest rate options under the jump-extended constant-elasticity-of-variance (CEV) models. We consider both exponential jumps (see Duffie et al., 2000) and lognormal jumps (see Johannes, 2004) in the short rate process. We show how to superimpose...