e. Knowing one exchange rate does not mean we can tell the other exchange rate.
At a price of $5, Sam buys 10 units of a product; when the price increases to $6, Sam
buys 8 units. Martha says Sam’s demand has decreased. Is Martha correct?
a. Yes, Martha is correct. Sam’s demand has decreased.
b. No, Martha is incorrect. Sam’s demand has increased.
c. No, Martha is incorrect. Sam’s quantity demanded has decreased, and his demand has
not changed.
d. No, Martha is incorrect. Sam’s quantity demanded has increased, and his demand has
increased.
e. No, Martha is incorrect. Sam’s demand has increased, and his quantity demanded has
decreased.
The modern view of the Phillips curve suggests that:
a. when inflation is reduced, unemployment will fall below the natural rate.
b. the Phillips curve is an unstable relationship.
c. systematic demand stimulus policies will be unable to affect prices in the long run.
d. there will be a trade-off between inflation and unemployment in the long run.