For a stock to be in equilibrium, that is, for there to be no long-term pressure for its price to depart from its current level, thena. the past realized return must be equal to the expected return during the same period. b. the required return must equal the realized return in all periods. c. the expected return must be equal to both the required future return and the past realized return. d. the expected future returns must be equal to the required return. e. the expected future return must be less than the most recent past realized return.

Eileen's elegant earrings produces pairs of earrings for its mail order catalogue business. each pair is shipped in a separate box. she rents a small room for $150 a week in the downtown business district that serves as her factory. she can hire workers for $275 a week. there are no implicit costs. what is the marginal product of the second worker?

About time delivery co. incurred the following costs related to trucks and vans used in operating its delivery service: classify each of the costs as a capital expenditure or a revenue expenditure. 1. changed the oil and greased the joints of all the trucks and vans. 2. changed the radiator fluid on a truck that had been in service for the past four years. 3. installed a hydraulic lift to a van. 4. installed security systems on four of the newer trucks. 5. overhaul the engine on one of the trucks purchased three years ago. 6. rebuilt the transmission on one of the vans that had been driven 40,000 miles. the van was no longer under warranty. 7. removed a two-way radio from one of the trucks and installed a new radio with a greater range of communication. 8. repaired a flat tire on one of the vans. 9. replaced a truck's suspension system with a new suspension system that allows for the delivery of heavier loads. 10. tinted the back and side windows of one of the vans to discourage theft of contents.

Which represents a surplus in the market? a market price equals equilibrium price. b quantity supplied is greater than quantity demanded. c market price is less than equilibrium price. d quantity supplied equals quantity demanded.