Which of the following is a disadvantage of using debit cards?
a. Debit cards are unsafe for use
b. Debit cards do not provide a grace period between a purchase and required payment.
c. Debit cards delay payments.
d. Debit cards are not not easy to use.
e. Debit cards make purchases more expensive than they actually are.
b
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A firm dumps dioxin in a river, thereby severely polluting the river. The cost of the water pollution is i. zero for the firm. ii. an external cost. iii. part of the marginal social cost
A) i only B) ii only C) iii only D) ii and iii E) i, ii, and iii
When the Fed increases the money supply by buying Treasury securities, it will
a. decrease short-term interest rates to a greater degree than long-term interest rates. b. decrease long-term interest rates to a greater degree than short-term interest rates. c. increase short-term interest rates to a greater degree than long-term interest rates. d. increase long-term interest rates to a greater degree than short-term interest rates.
Increases in labor productivity from improved technology
a) increase the long run supply of labor b) reduce the demand for labor c) reduce real wages d) induce firms to substitute capital for labor e) have no long run effect on total hours worked
If the income elasticity of a good is greater than zero, we say that the good is a:
A. normal good. B. inferior good. C. complementary good. D. substitute good.