1. The least integrated category of economic integration is: a. a free-trade area. b. a common market. c. an economic union. d. a political union. RealGDPCY) Labor Force (L) L1 L2 L3 [4 2. In the figure above, based on the Solow-Swan Model, which of the following would cause an increase in real GDP? a. a decline in the labor force b. an improvement in technology c. a decrease in the capital stock d. a decline in technology