We propose a criterion for portfolio selection, implied excess Sharpe ratio. The implied excess Sharpe ratio is intended as an excess Sharpe ratio (versus the underlying stock) that investors can expect to enjoy from portfolios that include options and is a useful ex ante indicator that can be...

The current financial and economic crisis has affected many sectors, but companies have tried to implement marketing strategies adapted to the context. Telecommunication field was affected to a lesser extent, given the customers’ need for communication, need that doesn’t go away, but that...

We review the main changes in the interbank market after the financial crisis started in August 2007. In particular, we focus on the fixed income market and we analyse the most relevant empirical evidences regarding the divergence of the existing basis between interbank rates with different...