Macroeconomics + Economy 2009 Update 18th Edition by Campbell McConnell, Sean Masaki Flynn,Stanley Brue

تمرين 1

Before specialization, the domestic opportunity cost of producing 1 unit of wheat is:
A) 1 unit of coffee in both the United States and Brazil.
B) 1 unit of coffee in the United States and 2 units of coffee in Brazil.
C) 2 units of coffee in the United States and 1 unit of coffee in Brazil.
D) 1 unit of coffee in the United States and ½ unit of coffee in Brazil.