We introduce an element of centralization in a random matching model of money that allows for private liabilities to circulate as media of exchange. Some agents, which we identify as banks, are endowed with the technology to issue notes and to record-keep reserves with a central clearinghouse,...

We introduce an element of centralization in a random matching model of money that allows for private liabilities to circulate as media of exchange. Some agents, which we identify as banks, are endowed with the technology to issue notes and to record-keep reserves with a central clearinghouse,...

In this paper we study the welfare effects of eliminating social security in a model with two sided altruism where social security provides insurance against lifetime and individual income uncertainty. Our findings indicate that households are able to shift the efficiency gains, generated...