When did the three longest trough-to-peak expansions of the twentieth century occur?
a. between 1900 and 1930
b. between 1930 and 1960
c. since 1960
d. since 1980
c. since 1960
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Use the economic way of thinking to answer the following question: Does a diabetic need insulin?
A) No B) Yes, and therefore diabetics will always buy all what they need. C) Probably, but diabetics often find substitutes for insulin in the real world. D) Probably, but diabetics only care about the expected cost of insulin and ignore the expected benefits.
Most people who earn the minimum wage are poor
Indicate whether the statement is true or false
Which of the following is an example of natural monopoly?
A. a market for cable TV services B. a market for breakfast cereals C. a market for cold medicines D. a market for cigarettes
An increase in the demand for the Brazilian real induces
A. a decrease in the supply of dollars. B. an increase in the demand for Brazilian goods. C. an increase in the dollar price of a real. D. an increase in the real price of a dollar.