<alinea/> We present a model to analyze different equilibria that exist in an economy in which agents can choose the means of payment to use in trade ; i. e., inside or outside money. Our approach departs from the usual explanation of competition as a phenomenon related to money functions (means of...

In search-theoretic models of monetary economies, equivalence between money and memory is referred to gift-giving economies. Kocherlakota and Iwai obtain on this basis interesting results. In this paper it is argued that such results should not be interpreted as their authors suggest it. As soon...