Optimal public money
In most countries, the supply of paper money is controlled by a state institution. This paper provides an explanation for why such an arrangement is typically chosen. I use a deterministic matching model with a continuum of agents where enforcement is limited and where some agents produce public goods. Agents can also, at a cost, produce a distinguishable, intrinsically useless but perfectly durable good: notes. I call a note public if it is printed by an agent who produces public goods. In this framework, I prove that the socially optimal allocation is only implemented by a pattern of trade in which exchanges are effected using public notes. JEL Classification: D8, E5
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- Ricardo de O. Cavalcanti & Neil Wallace, 1999.
"Inside and outside money as alternative media of exchange,"
Federal Reserve Bank of Cleveland, pages 443-468.
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97-24, Federal Reserve Bank of Philadelphia.
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