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Discussion Paper

A Stochastic Infinite-horizon Economy with Secured Lending, or Unsecured Lending and Bankruptcy

Modeling problems for a monetary economy are discussed and some examples are presented in the context of an infinite-horizon economy with one or two types of traders, who use fiat money to buy a single perishable consumption good. Three instances are considered, all with transactions in fiat money. The first model has no borrowing or lending. The second model permits both borrowing and lending, but all loans are secured.