the parameters of the wear process from a sample of coins whose age is unknown. The method performs well on the hoard data …

When money was made of gold and silver, individuals faced the problem of determining the intrinsic content of coins in … commodity money system: coin assaying. To that goal we build a model of search and matching in which agents trade using coins … coins for a fee. We consider two sources of imperfect information: counterfeit coins and clipping. With counterfeits we show …

Existing cryptocurrencies are too volatile to be used as currencies for daily payments. Stable coins, which are … leveraged investment instruments (class B and B′ coins). Our investigation of the values of stable coins in presence of jump …