I consider the effect of empathy towards others on the internalization of interpersonal externalities and on private contributions to the provision of public goods. I show that if preferences are empathetic in the sense of depending on the well-being of others, then in an extreme case external...

I consider the effect of caring, empathy, altruism or positive reciprocity towards others - which I collectively call positive preference interdependence (PPI) - on the internalization of interpersonal externalities and on the level of private contributions to the provision of public goods. I...

I calculate the cost of replacing all power stations in the U.S. using coal and gas by wind and solar power stations by 2050, leaving electric power generation in the U.S. carbon free. Allowing for the savings in the cost of fossil fuel arising from the replacement of fossil fuel plants this is...