This paper extends Becker's basic model on investment in human capital by introducing effort as a decision variable. Based on this extended model we consider the efficiency of two popular study-grant schemes and propose a third which unequivocally increases the student's effort and may thereby...

The central hypothesis of the economic model of voter participation was put to an empirical test. It was found that the coefficient of population size, which represents the subjective probability of affecting election results, is negative and significant in municipal local elections, but...