Many countries in sub-Saharan Africa have very low labor productivities in many sectors, for example in manufacturing and agriculture
They often despair of even trying to attempt to build their industries unless it is done in an autarkic context, behind protectionist walls because they do not believe they can compete with more productive industries abroad. Discuss this issue in the context of the Ricardian model of comparative advantage.
The Ricardian model of comparative advantage argues that every country must have a comparative advantage in some product (assuming there are more products than countries). However, the Ricardian model is not a growth model, and cannot be used to identify growth modes or linkages.
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Refer to the given data. If Alpha was producing at alternative B and Omega was at alternative C before trade, the gain from specialization and trade would be:
A. 30 tons of wheat.
B. 5 tons of steel.
C. 5 tons of steel and 15 tons of wheat.
D. 15 tons of steel and 5 tons of wheat.
Kate and Alice are small-town ready-mix concrete duopolists. The market demand function is Qd = 20,000 - 200P where P is the price of a cubic yard of concrete and Qd is the number of cubic yards demanded per year. Marginal cost is $80 per cubic yard. Suppose Kate enters the market first and chooses her output before Alice. Given market demand, what is the market price per cubic yard?
A. $80 B. $85 C. $90 D. $95