A critical perspective on the foundations of economic theory showing the importance of ethical considerations and focusing in particular on altruism, cooperation and equity. Mainstream neoclassical economics is analysed and challenged from a moral and socio-economic perspective, emphasizing the relationship between economics, ethics and politics. Throughout the book the nature of homo economicus is contrasted with that of homo ethicus. Their different moral principles, behavioural rules and values are compared and the importance of this battle for a good and civilised society is emphasised.