Is a promotion at work worth more than time with family? Does the price of cheap socks compensate for their being made by children? Might a new lover be better than the one you have?

Every day we make decisions - where to live, what to eat, how to educate our children and care for our parents - in which the influence of economics promotes self-interest over social obligations. All of today's big problems require collective action, so economics is our biggest obstacle to change. But none of this is inherent to human behaviour. This inspiring book offers a different way.