On the "supply side" of a market, producers indicate to consumers what they are willing to sell, in what quantity and at what price

Which of the following is not an example of a compensating differential? Job A pays more than Job B because Job A requires

a. more international travel to dangerous locations. b. two night shifts per month. c. careful handling of toxic chemicals. d. an advanced degree.

Which of the following statements is not correct regarding taxes?

A. The largest source of state and local governments tax revenue is sales and excise taxes. B. The largest source of federal government tax revenue is individual income taxes. C. A sales tax on food is a regressive tax. D. A proportional tax is equal to a fixed dollar amount.