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What is an externality?

Short Answer

Expert verified

Externality is a cost or benefit to a third party who does not participate in the consumption or production of a good or service.

Step by step solution

01

Externality : 

When an economic activity has an impact on individuals, it is called an externality.

02

Types :

Externalities are of two types - 1. Positive Externality and 2. Negative Externality

03

 Positive Externality :

Positive externality occurs as a result of the producers' or customers' behavior. It is consumption or production that can have a positive impact on third parties.

04

Negative externality :

Negative Externality refers to the unexpected repercussions of production and consumption that must be borne by others.

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Most popular questions from this chapter

Table 12.5 provides the supply and demand conditions for a manufacturing firm. The third column represents a supply curve without accounting for the social cost of pollution. The fourth column represents the supply curve when the firm is required to account for the social cost of pollution. Identify the equilibrium before the social cost of production is included and after the social cost of production is included.

Can extreme levels of pollution hurt the economic

development of a high-income country? Why or why

not?

What arguments do low-income countries make in international discussions of global environmental clean-up

For each of your answers to Exercise 12.2, will equilibrium price rise or fall or stay the same?

Four firms called Elm, Maple, Oak, and Cherry, produce wooden chairs. However, they also produce a great deal of garbage (a mixture of glue, varnish, sandpaper, and wood scraps). The first row of Table 12.6shows the total amount of garbage (in tons) that each firm currently produces. The other rows of the table show the cost of reducing garbage produced by the first five tons, the second five tons, and so on. First, calculate the cost of requiring each firm to reduce the weight of its garbage by one-fourth. Now, imagine that the government issues marketable permits for the current level of garbage, but the permits will shrink the weight of allowable garbage for each firm by one-fourth.

What will be the result of this alternative approach to reducing pollution?


Elm
Maple
Oak
Cherry
Current production of garbage (in tons)
20406080
Cost of reducing garbage by first five tons
\(5,500
\)6,300
\(7,200
\)3,000
Cost of reducing garbage by second five tons
\(6,000
\)7,200
\(7,500
\)4,000
Cost of reducing garbage by third five tons
\(6,500
\)8,100
\(7,800
\)5,000
Cost of reducing garbage by third five tons
\(7,000
\)9,000
\(8,100
\)6,000
Cost of reducing garbage by fifth five tons
\(0
\)9,900
\(8,400
\)7,000
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