The aging of the population shakes the public finance of pay-as-you-go social security systems. We develop a political-economy framework in which this demographic change leads to the downsizing of the social security system, and, as a consequence, to the emergence of supplemental individual...

A reform of a pay-as-you-go social security makes the pensioners worse off and the working generations better off in the period of the reform (in a dynamically efficient economy without altruism). The observed reluctance across all age groups to support such reforms is usually explained by the...

Depending on the design of the domestic pension system and the type of immigrants, voters will decide differently on immigration policy. In this paper, we investigate the voting outcome of three groups of heterogenous voters (skilled workers, unskilled workers, and retirees) under Beveridgian or...