D) because all economies experience deflation regularly, so the real return is still
positive
Table 2.1 A group of people has formed a house cleaning and yard
maintenance business. The number of houses or yards that they can clean or maintain in
any given day is depicted in Table 2.1. As the group cleans more houses, the
opportunity cost of cleaning houses:
A) falls.
B) rises.
C) stays the same.
D) is the sum of the opportunity costs of cleaning all the houses prior to that one.
The economy needs some unemployment to operate efficiently, because without it
A) firms will find it difficult to recruit workers, leading to increased wages and prices.
B) firms will find it difficult to recruit workers, leading to reduced wages and prices.
C) workers will find it difficult to find a job, leading to increased wages and prices.