Refer to Figure 2-2. If Vidalia chooses to produce 50 dozen roses, how many orchids can it produce to maximize production?

A world price of a good:

A) is the lowest price for which the good is available in any country in the world. B) is the price prevailing in the country with the highest production of the good. C) is equal to the lowest opportunity cost of producing the good in any country in the world. D) is the prevailing price of the good on the global market.

Keynesian macroeconomists argue that the short-run Phillips curve ________ represent a usable trade-off for policymakers because ________

A) does; prices are sticky B) does; prices are not sticky C) does not; prices are not sticky D) does not; prices are sticky