We introduce a model of the economy as a social network. Two agents are linked to the extent that they transact with each other. This generates well-defi ned topological notions of location, neighborhood and closeness. We investigate the implications of our model for monetary economics. When a...

The question of price level versus inflation targeting remains controversial. Disagreement concerns, not so much the desirability of price stability, but rather the means of achieving it. Irving Fisher argued for a commodity dollar standard where the purchasing power of money was fixed by...