Markets provide the efficient amount of a good or service when externalities are present. monopoly exists. public goods are present. competition is present and externalities and public goods are absent.

River corp's total assets at the end of last year were $415,000 and its net income was $32,750. what was its return on total assets? a. 7.89%b. 8.29%c. 8.70%d. 9.14%e. 9.59%

Robert just found out that he is going to be unemployed within a month because his factory has invested in a robotic factory line and his skills are no longer needed. this means that robert is . the gdp within country d has begun to decline. as a result of decreased production, thomas lost his job designing cars. this means that thomas is . raquel has just been offered a job, but she has decided not to take it because she feels her skills merit better pay and a better position. this means that raquel is .

If big macs were a durable good that could be costlessly transported between countries, which of the following would present an arbitrage opportunity? check all that apply. exporting big macs from argentina to the united states. exporting big macs from the united kingdom to poland. exporting big macs from switzerland to china