-Roman world, precious-metal coins dominated from the start, initially in the form of silver coins that were increasingly … be replaced by round bronze coins that were supplemented by uncoined gold and silver bullion; whereas in the Greco … accompanied and eventually eclipsed by gold issues. The question of which factors determined the value of these coins has been …

selection criteria, and initial coin distributions. Our results based on simulated paths of the dynamics of nodes' coins at …

build a random matching monetary model with two indivisible coins with different intrinsic values. The model shows that … small change shortages can exist in the sense that adding small coins to an economy with only large coins is welfare … replacing full-bodied small coins with tokens is not necessarily welfare improving …