The relative prices of wool, cocoa, aluminum, rice, cotton, and sugar declined by more than half during the 20th century.
Answer the following statement true (T) or false (F)
True
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P-TV and QRS-TV are trying to decide whether to air a sitcom or a reality show in a given time slot. Viewers like both sitcoms and reality shows, but sitcoms are more expensive to produce than reality shows since real actors need to be hired. QRS-TV makes its decision first, and then P-TV observes that choice before making its decision. Both stations know all of the information in the decision tree below. 
Suppose QRS-TV enters into an agreement with P-TV that gives QRS-TV the exclusive right to air a reality show during this time slot. QRS-TV would have to pay P-TV ________ in order to persuade P-TV to enter into this agreement.
A. nothing B. at least $5 million C. more than zero, but less than $5 million D. at least $10 million
Of the following types of games, tension between cooperation and individual self-interest tends to be greatest in
A) an assurance game. B) a pure coordination game. C) a chicken game. D) a battle of the sexes game.
The record of a country's transactions in goods, services, and assets with the ________ is its balance of payments.
A. its residents B. governments of other nations C. the rest of the world D. its ten largest trade partners
According to a study by an economist at the Federal Reserve Bank of Minneapolis, during the middle 1980s, managers at iron mines in Canada and the United States increased output per hour worked by 100 percent through changes in work rules that increased workers' effort per hour worked and increased the efficiency of workers' effort. This increase in output per hour worked is due to______________________________
Fill in the blank(s) with the appropriate word(s).