According to the law of supply, when prices increase,

Which of the following is a characteristic that might affect the efficiency (marginal costs and marginal benefits) of a recycling market?

a. Geography b. Vehicle-miles traveled c. Population density d. The mix or composition, weight, and volume of the material stream supplied to the secondary market e. All of the above.

For the purposes of GDP accounting, government purchases

A) include transfer payments. B) are considered part of investment. C) include wages and benefits paid to government workers. D) are considered part of consumption.