A real estate builder wishes to determine how house size is influenced by family income, family size, and education of the head of household. house size is measured in hundreds of square feet, income is measured in thousands of dollars, and education is measured in years. a partial computer output is shown below.

Which of the following best explains the purpose of protectionist trade policies such as tariffs and subsidies? a. they make sure that governments have enough money to pay for fiscal policies. b. they give foreign competitors access to new markets around the world. c. they allow producers to sell their products more cheaply than foreign competitors. d. they enable producers to purchase productive resources from everywhere in the world.