Question 1
Kyle wants to trade scuba lessons for surfing lessons. Ike wants to trade surfing lessons for scuba lessons. Kyle and Ike have
◦ a double incidence of demand.
◦ a double coincidence of wants.
◦ the basis for a double fiat exchange.
◦ the basis for a liquidity exchange.
Question 2
Because money eliminates the "double coincidence of wants" problem, the development of money as a ________ has facilitated the expansion of trade.
◦ unit of account
◦ store of value
◦ medium of exchange
◦ measure of value