A major concern economists have regarding the introduction of a common European
currency is the
a. damage it will cause to the international status of the U.S. dollar.
b. fact that it would be a weaker currency than the individual country currencies it
replaces.
c. potential social and political problems that may arise should Europe experience an
asymmetric shock.
d. likelihood that the currencies it replaces will continue to be used in so-called
underground transactions.
e. absence of any preconditions for countries wanting to join the EMU.
A husband and wife both work during the week and decide that on Saturday morning
the inside of the house must be cleaned and the yard must be mowed and weeded. If it
takes the husband four hours to clean the house and two hours to do the yard work, and
the wife can do these tasks in two hours and one hour, respectively
a. the husband has a comparative advantage in yard work.
b. the husband has a comparative advantage in cleaning.
c. the wife has a comparative advantage in both tasks.
d. neither has a comparative advantage in either task, but the wife has an absolute
advantage in both.
e. the wife should let the husband do both tasks so he can improve his time.