The rational choice model of voluntary public good provision predicts that an individual's contribution to climate change mitigation responds negatively to larger contributions by others whereas social norm theory maintains that one's own contribution is positively related to that of others....

In this paper, we attempt to shed light on whether Japanese households are rational or if their behavior is influenced by culture and social norms by examining their saving and bequest behavior. To summarize our main findings, we find that Japan's household saving rate showed great volatility,...