This study examines the effects on the stock market unitary risk premium and volatility associated with the listing of stock and stock index derivatives in Switzerland. Based on a univariate GARCH (1,1) specification of the stock index variance and a time-varying unitary risk premium...

This study examines the effects on the stock market unitary risk premium and volatility associated with the listing of stock and stock index derivatives in Switzerland. Based on a univariate GARCH (1,1) specification of the stock index variance and a time-varying unitary risk premium...

This article analyzes the effect of liquidity risk on the performance of equity hedge fund portfolios. Similarly to Avramov, Kosowski, Naik, and Teo (<xref>2007</xref>), (2011), we observe that, before accounting for the effect of liquidity risk, hedge fund portfolios that incorporate predictability in...

We consider a risky asset whose instantaneous rate of returntakes two dierent values and changes from one to the other one at randomtimes which are neither known, nor directly observable. We study the optimalallocation strategy of traders who, in the presence of cost of transactions, investin...