Both monopolistic competition and oligopoly are market structures
a. that fail to achieve the total surplus achieved by perfect competition.
b. that feature only a few firms in each market.
c. to which the concept of Nash equilibrium is frequently applied by economists.
d. in which firms earn zero economic profit in the long run.
a
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If Utopia has a closed economy, the number of cases of tile consumed each is ________ per year, and if it has an open economy the number of cases of tile consumed is ________ per year. 
A. 300; 200 B. 300; 450 C. 450; 200 D. 200; 450
Marginal benefit curves
A) have positive slopes. B) have negative slopes. C) are horizontal lines. D) are vertical lines. E) are upside-down U-shaped curves.
In a two-good, two country world, if one country has an absolute advantage in the production of both goods, it cannot benefit by trading with the other country
Indicate whether the statement is true or false
Everything else held constant, an increase in the currency ratio will mean ________ in the M2 money multiplier and ________ in the M2 money supply
A) an increase; an increase B) an increase; a decrease C) a decrease; an increase D) a decrease; a decrease