Decision makers engage in marginal thinking by 

Despite the gain from higher profits, firms are not always able to price discriminate because

Match each example in the left column with the correct term from the right column.  Do not use any term more than once.  

Decision makers engage in marginal thinking by 

Signals

If the income elasticity of demand is negative, this means that the good is

Match each example in the left column with the correct term from the right column.  Do not use any term more than once.  Dome terms will not be used.

Average variable cost is

Which of the following trade-offs does the production possibilities frontier illustrate?

Which is a correct statement about a rent control law?