In this paper we argue that authorities aid cooperation by means ofdirect coordination or the enforcement of re-commitment devices suchas contract laws.Credible threats of violence allow this role. In alocal interaction model, an authority forms if mutually connected individuals with sufficient...

The contribution of this paper is twofold. First, a thorough presentation of the state of the art of the New Keynesian Macroeconomic model is provided. A discussion of its empirical caveats follows and some recent extensions of the standard model are evaluated in more detail. Second, a key...

Unrestrained power to create money makes possible the arbitrary seizure of property, either through an unlegislated transfer of wealth from the private to the public sector or through the capricious transfer of wealth between individuals. Money creation -- and by implication the seigniorage that...