Production possibilities frontiers are typically concave (bowed out) from the origin because
a. of the law of supply
b. there is usually a one-for-one trade-off in resources used in production
c. economies of scale enable firms to reduce the average costs of production as output rises
d. the opportunity cost of a good rises as the quantity of the good produced increases
e. resources are often left idle in the firm
D
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How many dollars would it cost to buy an Edinburgh Woolen Mill sweater costing 50 British pounds if the exchange rate is 1.25 dollars per one British pound?
A) 50 dollars B) 60 dollars C) 70 dollars D) 62.5 dollars E) 40 British pounds
Airlines offer lower prices to vacationers than to business travelers because
A) of government regulations requiring them to do so. B) business travelers do not care at all about costs. C) business travelers are less flexible in their travel plans than vacationers are. D) airlines know that business travelers enjoy flying more than vacationers do.