Exam 7: Consumers, Producers, and the Efficiency of Markets

Suppose televisions are a normal good and buyers of televisions experience a decrease in income.As a result,consumer surplus in the television market

Which of the following equations is valid?

An example of positive analysis is studying

Table 7-6 The following table represents the costs of five possible sellers. -Refer to Table 7-6.Who is a marginal seller when the price is $1,200?

Suppose Katie,Kendra,and Kristen each purchase a particular type of cell phone at a price of $80.Katie's willingness to pay was $100,Kendra's willingness to pay was $95,and Kristen's willingness to pay was $80.Which of the following statements is correct?

Figure 7-16 -Refer to Figure 7-16.If the price were P3,consumer surplus would be represented by the area

Inefficiency exists in an economy when a good is

Table 7-2 This table refers to five possible buyers' willingness to pay for a case of Vanilla Coke. -Refer to Table 7-2.If the market price is $3.80,

Producer surplus is

All else equal,a decrease in demand will cause an increase in producer surplus.

Market power and externalities are examples of market failures.

An example of normative analysis is studying

Even though participants in the economy are motivated by self-interest,the "invisible hand" of the marketplace guides this self-interest into promoting general economic well-being.

The distinction between efficiency and equality can be described as follows:

If a consumer is willing and able to pay $20 for a particular good and if he pays $16 for the good,then for that consumer,consumer surplus amounts to

Table 7-9 -Refer to Table 7-9.Both the demand curve and the supply curve are straight lines.If the price is $8 but only 4 units are bought and sold,total surplus will be

All else equal,an increase in demand will cause an increase in producer surplus.

Consumer surplus is

Figure 7-11 -Refer to Figure 7-11.When the price rises from P1 to P2,what area represents the increase in producer surplus?

Kristi and Rebecca sell lemonade on the corner.It costs them 7 cents to make each cup.On a certain day,they sell 40 cups,and their producer surplus for that day amounts to $15.20.Kristi and Rebecca sold each cup for