Reducing tariffs would make international trade easier, which will increase the general economic welfare of the country

Which of the following was not a result of the luxury tax imposed by Congress in 1990?

a. The larger part of the tax burden fell on sellers. b. A larger part of the tax burden fell on the middle class than on the rich. c. Even the wealthy demanded fewer luxury goods. d. The tax was never repealed or even modified.

Serena Williams should probably not mow her own lawn because

a. her opportunity cost of mowing her lawn is higher than the cost of paying someone to mow it for her. b. she has a comparative advantage in mowing her lawn relative to a landscaping service. c. she has an absolute advantage in mowing her lawn relative to a landscaping service. d. she might sprain her ankle.