Use the above table. Assuming constant opportunity costs, the opportunity cost of producing a pound of beef in Argentina is

The medium of exchange is defined as

A) an object that is accepted in return for goods and services. B) the exchange of goods and services directly for goods and services. C) an item that can be stored and hold its value over time. D) credit cards. E) barter.

The argument that ________ receives strong support from the innovative policy response to the recent financial crisis

A) rules can be too rigid B) discretionary policies are vulnerable to the time-inconsistency problem C) money is the sole source of fluctuations in aggregate demand D) changes in policies can change the coefficients in macroeconometric models