Suppose there is a temporary increase in the price of oil. This is represented by
A) a leftward shift of the SAS and the LAS curve.
B) a leftward shift of the LAS curve.
C) a rightward shift of the SAS curve.
D) a leftward shift of the SAS curve.
D
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If an economy is producing at a point on the production possibilities curve it represents: a. full employment of existing resources. b. the gains from trade that an economy can enjoy
c. the maximum amount of two goods that can be produced with existing resources. d. decreasing opportunity costs of producing both goods. e. overutilization of existing resources.
When oil prices increased to record levels in the 1970s, salaries dramatically increased for petroleum geologists skilled in finding oil. Those geologists who moved from other areas to the higher paying jobs were
a. seeking to profit from society's needs rather than following the guidance of the invisible hand, which would have led them to seek jobs serving society rather than jobs with higher pay. b. following the guidance of the invisible hand and probably serving society's best interests as well as their own. c. causing oil prices to rise even more by moving to jobs with higher salaries. d. helping themselves but hurting the economy.