We investigate how income inequality affects social welfare in a model of voluntary contributions to multiple pure public goods. Itaya, de Meza, and Myles (1997) show that the maximization of social welfare precludes income equality in a single pure public good model. In contrast, we show that...

We investigate how income inequality affects social welfare in a model of voluntary contributions to multiple pure public goods. Itaya, de Meza, and Myles (1997) show that the maximization of social welfare precludes income equality in a single pure public good model. In contrast, we show that...

Rising longevity has led to population aging in developed countries, causing increasing concerns about its economic impact. Specially, the trend of population aging increases health expenditure in developed countries, and 70% to 80% of health expenditure is funded by public sector. Therefore,...