In this paper I test the normality of returns of the 30 components of the Dow Jones Industrial Average (DJIA) from January 1st 1990 to December 5th 2008. Results obtained by Kolmogorov - Smirnov, Shapiro - Wilk and Skewness - Kurtosis tests are robust in demonstrating that the hypothesis of...

The central purpose of this paper is to introduce a new political economy approach which explains the characteristics of Social Security Systems. This approach is based on the Single-Mindedness Theory (SMT), which assumes that the more single-minded groups are able to exert a greater power of...

In this paper I analyse a labor market where the wage is endogenously determined according to a Right-to-Manage bargaining process between a firm and a labor union whose members are partitioned into two social groups: the old and the young. Furthermore, I exploit the Single Mindedness theory,...

The central purpose of this paper is to introduce a new political economy approach which explains the characteristics of Social Security Systems. This approach is based on the Single-Mindedness Theory (SMT), which assumes that the more single-minded groups are able to exert a greater power of...