Increasingly, commentators have argued that provision of welfare services is better left to the private sector. While 'standard' economic theory suggests that cutting public expenditure 'crowds in' private giving and that tax inducements to donate to charities can prove effective, there are...

Ethical investing raises questions relating both to the possibility of private provision of public goods and to the determination of asset prices in financial markets. In both cases, economists have turned.to more complex, psychologically based models of behavior to provide adequate...