We extend the standard model of general equilibrium with incomplete markets to allow for default and punishment. The equilibrating variables include expected delivery rates, along with the usual prices of assets and commodities. By reinterpreting the variables, our model encompasses a broad...

Why is 'worthless' fiat money generally accepted as payment for goods and services? In equilibrium theory, the value of money is generally not determined: the number of equations is one less than the number of unknowns, so only relative prices are determined. In the language of mathematics, the...

An overlapping generations model of an exchange economy is considered, with individials having a fininte expected life-span. As the model is designed to be a fully playable game, conditions concerning birth, death, inheritance and bequests are fully specified.