The long run is defined as a time period during which full adjustment can be made to any change in the economic environment. Thus in the long run, all factors of production are variable. Long-run curves are sometimes called planning curves, and the long
run is sometimes called the
A) foreseeable future.
B) minimum efficient time period.
C) non-adjustment period.
D) planning horizon.
Answer: D
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To fully analyze the effects of a tariff on imports of tomatoes, an economist needs
a. only to know the supply and demand curves in the market for tomatoes. b. only to know about supply and demand in the market for tomatoes and in markets for other products tomato farmers grow. c. to use general equilibrium analysis. d. to use a production possibilities curve.
Refer to the table above. If Jack has an annual income of $50,000 and Jill earns $77,500, which of the following is true?
A) Jack and Jill pay an equal amount of tax. B) The average rates of tax paid by Jack and Jill are equal. C) The marginal tax rate for Jack is higher than the marginal tax rate for Jill. D) Jack and Jill fall in the same tax bracket.
If your total satisfaction increases when you consume another unit, your marginal utility must be
A) positive. B) increasing. C) decreasing. D) negative.
A marginal tax rate is calculated as
A) change in taxes paid ÷ the change in total taxable income. B) change in taxable income ÷ change in taxes paid. C) taxes paid ÷ total taxable income. D) total taxable income ÷ by taxes paid.