Use the above figure. Which graph depicts a normal good?

The fact that using money avoids the double coincidence of wants necessary in a barter economy illustrates which function of money?

A) medium of exchange B) unit of account C) store of value D) source of liquidity

The ________ posits that trade flows between countries will be larger as the economic sizes of the two countries are larger and the geographic distance between the two countries is smaller.

A. gravity model B. Heckscher-Ohlin model C. Stolper-Samuelson theorem D. theory of absolute advantage