Unions tend to:
a. shift labor from the union sector to the non-union sector of the economy.
b. shift labor from the non-union sector to the union sector of the economy.
c. decrease wages in the union sector

Perfect competition is the only market structure in which firms are economically efficient in the long run

a. True b. False Indicate whether the statement is true or false

If a country's income level is high:

A. it must have a high level of growth. B. it usually has a high level of GDP per capita. C. it must be well-endowed with natural resources. D. All of these are true.