What you expect to find according to predictions from a theory is know as

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

Savings are transferred to businesses for investment through a) banks and financial institutions b) the federal government c) major corporations d) consumer purchases e) state and local governments

Which of the following statements is true of how pollutants can enter the environment from a sanitary landfill?