In choosing between two products, a rational consumer will choose the product that gives her the:
A. least marginal utility per dollar.
B. highest cost per additional unit of utility.
C. lowest cost per additional unit of utility.
D. greatest total utility regardless of cost.
Answer: C
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Based on the figure below. Starting from long-run equilibrium at point C, a tax cut that increases aggregate demand from AD to AD1 will lead to a short-run equilibrium at point ________ and eventually to a long-run equilibrium at point ________, if left to self-correcting tendencies. 
A. D; C B. B; C C. B; A D. D; B
Although originally its articulation may have been a mistake, the rule of reason has become a useful principle for interpreting antitrust law
Indicate whether the statement is true or false
If the best educated and most skilled persons leave a country, then in the short term this country's human capital per worker
a. and physical capital per worker will increase. b. and physical capital per worker will decrease. c. will increase but physical capital per worker will decrease. d. will decrease but physical capital per worker will increase.
When demand is elastic, an increase in price will cause
a. an increase in total revenue.
b. a decrease in total revenue.
c. no change in total revenue but an increase in quantity demanded.
d. no change in total revenue but a decrease in quantity demanded.