A policy in which a country restricts the importation of goods and services produced in foreign countries is described by economists as:

What might be an incentive for you to take a class in summer school? List some of the benefits and costs involved in your decision. Would your choice be rational?

What will be an ideal response?

Refer to the table below, which shows the ranked preferences of voters for three alternative projects, with "1" being the top preference. In a paired-choice vote between a stadium and a park:

A. A majority of the voters would favor the park, 2-to-1
B. A majority of the voters would favor the stadium, 2-to-1
C. A majority of the voters would favor the park, 3-to-0
D. A majority of the voters would favor the stadium, 3-to-0