Paul Samuelson made a series of important contributions to population theory for humans and other species, evolutionary … theory, and the theory of age structured life cycles in economic equilibrium and growth. The work is highly abstract but much …

the degrees of filial and parental altruism and adjust them with their respective life expectancy and fertility rates. The … altruism than those in the other countries. Our welfare analyses reveal that the developing Asian countries must introduce more … filial altruism will trap the developing Asian countries at the current low levels of public old-age supports and social …

the degrees of filial and parental altruism and adjust them for their respective life expectancy and fertility rates. The … adjusted degree of filial altruism tends to be low in developing Asia. Our welfare analyses reveal that the developing Asian … low adjusted degree of filial altruism may trap the developing Asian countries at the low levels of public old‐age support …

privately own a natural renewable resource and have a family-altruism resource bequest motive. The natural resource can be … disposable income. With a numerical application, we analyze how family altruism interplays with population growth to shape the … dynamics of the whole economy. We also highlight the role of altruism in the case of a temporary negative demographic shock …

order to make parental altruism less costly. This mechanism suggests that status-dependent preferences may explain part of …

cooperation in the presence of "multi-directedness," whereby people's preferences depend on their psychological motives. People …

- to eleven-year old primary school children in the city of Meran, we find that cooperation generally increases with age …, but that the gap between cooperation among in-group members and cooperation towards children speaking another language is …