There is ________ relationship between inflation and central bank independence and ________ relationship between long-run rates of unemployment and central bank independence
A) a negative; no
B) a negative; a negative
C) a positive; no
D) a positive; a negative
C
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Consider the utility function 
. (Explain all your answers.)
a. Derive the function for the marginal rate of substitution.
b. Do the tastes represented by this utility function satisfy diminishing MRS?
c. The marginal utility of a good is defined as the change in utility from additional consumption of that good (holding all else constant). Derive the marginal utility of 
and 
.
d. Why does an ordinal approach to utility theory not any attention to what you derived in (c)?
e. Why does an ordinal approach to utility not treat the marginal rate of substitution the way it treats the marginal utility concept?
What will be an ideal response?
If Pearl is a risk averse, then
A) expected utility has nothing to do with her choices. B) she does not have diminishing marginal utility of wealth. C) she will not buy insurance. D) risk is costly to her.
If the tax system is made more progressive, the after-tax wages of high-income workers would _____
a. fall b. rise c. stay constant d. rise or fall depending upon job market conditions
Why specialize?
A) because assigning each worker a variety of tasks makes her more productive B) It usually increases productivity. C) to decrease our dependence on each other D) There is no economic rationale for specialization.