This paper deals with the optimal provision of a state-variable public good in a two-type model, when the consumers have present-biased preferences due to quasi-hyperbolic discounting. The results show that the preference for immediate gratification facing the (mimicking) high-ability type...

List of contributors -- 1. Introduction / Bernardo Bortolotti and Gianluca Fiorentini -- Pt. I. Organized interests produce legislation. 2. Political institutions as screening devices / Gianluigi Galeotti ; 3. Electoral rules and interest groups: the mix of direct and indirect taxation /...