Which of the following is not an example of a government-imposed entry barrier?

For a firm to be able to engage in price discrimination, it must

A) face a downward sloping demand curve. B) produce more than one product. C) have customers of different levels of wealth and age. D) have economies of scale.

Assume a new technology further reduces the cost of producing calculators. Also assume that consumers have cut back on their scheduled purchases in anticipation of even more cost-saving developments. As a result, we can expect

a. a decrease in price but no predictable change in output. b. a decrease in output but no predictable change in price. c. an increase in output but no predictable change in price. d. a predictable decrease in both output and price.