This paper reexamines results of Konrad and Lommerud (2000). They construct a two-stage game model of a family. We show that their result crucially depends on their linear payoff function and obtain an opposite result if the interaction within a family is represented by a non-linear function;...

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,...

Although a large number of studies have been done on intergenerational transfers of goods, little is known about intergenerational transfers of time. In step with an increase in the aging of the population, the demand for time-intensive transfers in health care and other health services...