Making a choice at the margin means
A) letting someone else choose for you.
B) waiting until the last minute to make a choice.
C) deciding to do a little bit more or a little bit less of an activity.
D) making a choice by comparing the total benefit and the total cost.
C
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The price of a tomato increases and people buy more lettuce. You infer that lettuce and tomatoes are ________
A) complements B) normal goods C) substitutes D) inferior goods
Why is it difficult to determine whether fluctuations in the target interest rate have led to business cycle fluctuations in the United States, according to the New Keynesian model?
A) Because the Federal Reserve may change the target interest rate according to economic conditions. B) Because the target interest rate is nominal, not real. C) Because inflation is not well measured. D) Because money is neutral.