________ describes the actions a firm takes to maintain the differentiation of its product over time

Refer to Figure 5-3. The size of marginal external benefits can be determined by

A) D2 + D1 at each output level B) the demand curve D2. C) D2 - D1 at each output level. D) the demand curve D1.

The intent of parity pricing in the farm industry is to

a. drive inefficient farmers out of business b. allow a market to reach its equilibrium price c. provide only low-income farmers with government aid d. increase farm productivity with new technologies e. maintain farmers' purchasing power relative to nonfarmers