This paper provides evidence on the degree of persistence of one of the key components of the CAPM, namely the market risk premium, as well as its volatility. The analysis applies fractional integration methods to data for the US, Germany and Japan, and for robustness purposes considers...

In this essay I review the new book by Torsten Persson and Guido Tabellini, The Economic Effects of Constitutions, which investigates the policy and economic consequences of different forms of government and electoral rules. I also take advantage of this opportunity to discuss the advantages and...