A recent paper by Cohen and Vandenbergh explores the relationship between climate change and consumption by building on emerging work on the determinants of subjective well being. According to an increasing body of 'happiness research', wealth has decreasing marginal returns, which means that above certain levels of income, people are willing to trade some of their monetary compensation for more “leisure” and time for themselves. The implications are that public policy should aim at cutting working hours and increase public funding to culture, entertainment and “well being” activities. This would help increase public welfare without increasing consumption, thus helping reduce emissions. In the authors' own words: