Robert is a doctor who earns an average hourly wage of $80. His wife is a teacher and earns an average hourly wage of $35. His daughter works in her college library and earns $12 per hour while his son is a lawyer and earns $60 per hour
If one of them must stay back at the house on a working day to look after their ailing pet, who can do it at the lowest opportunity cost?
A) His son B) Robert C) His wife D) His daughter
Mike and John work as waiters in a restaurant. Mike can efficiently wait on 10 customers per hour while John can efficiently wait on 7 customers per hour. The restaurant also has a bar. If both of them work as bartenders, Mike is able to serve 9 customers per hour while John is able to serve 10 customers per hour.
D
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If the price of coffee decreases, the demand curve for tea (a substitute good) will:
a. remain unchanged. b. shift to the right. c. shift to the left. d. do none of these
International specialization allows a country to use its resources to
a. create jobs for government workers by expanding international foreign aid programs b. produce special goods such as computer software that require specific knowledge c. expand the development of its natural resources such as lumber, oil deposits, and coal d. produce specific goods, allowing other countries to focus on the production of other goods e. develop political ties through international cooperation and mutual sharing of goods