In most societies, resources are allocated by Group of answer choices a single central planner. a small number of central planners. those firms that use resources to provide goods and services. the combined actions of millions of households and firms.

Auniversity spent $1.8 million to install solar panels atop a parking garage. these panels will have a capacity of 400 kilowatts (kw) and have a life expectancy of 20 years. suppose that the discount rate is 20%, that electricity can be purchased at $0.10 per kilowatt-hour (kwh), and that the marginal cost of electricity production using the solar panels is zero. hint: it may be easier to think of the present value of operating the solar panels for 1 hour per year first. approximately how many hours per year will the solar panels need to operate to enable this project to break even? a. a.3,696.48 b.14,785.92 c.9,241.20 if the solar panels can operate only for 8,317 hours a year at maximum, the project (would/would not)break even?

Atax on the sellers of coffee will a. increase the price of coffee paid by buyers, increase the effective price of coffee received by sellers, and increase the equilibrium quantity of coffee. b. increase the price of coffee paid by buyers, increase the e ffective price of coffee received by sellers, and decrease the equilibrium quantity of coffee. c. increase the price of coffee paid by buyers, decrease the effective price of coffee received by sellers, and increase the equilibrium quantity of coffee. d. increa se the price of coffee paid by buyers, decrease the effective price of coffee received by sellers, and decrease the equilibrium quantity of coffee.

10. which of the following is true regarding preretirement inflation? a. defined-benefit plans provide more inflation protection than defined-contribution plans. b. because of preretirement inflation, possible investment-related growth is increased for defined-contribution plans. c. all types of benefits are designed to cope with preretirement inflation. d. preretirement inflation is generally reflected in the increase in an employee's compensation level over a working career.