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Sagot :
Answer:
D
C
D
Explanation:
A good has positive externality if the benefits to third parties not involved in production is greater than the cost. an example of an activity that generates positive externality is research and development. Due to the high cost of R & D, they are usually under-produced. Government can encourage the production of activities that generate positive externality by granting subsidies.
A good has negative externality if the costs to third parties not involved in production is greater than the benefits. an example of an activity that generates negative externality is pollution. Pollution can be generated at little or no cost, so they are usually overproduced. Government can discourage the production of activities that generate negative externality by taxation. Taxation increases the cost of production and therefore discourages overproduction. Tax levied on externality is known as Pigouvian tax.
a. The chicken coop would be of advantage if the neighbours want to wake up early (positive externality) and a disadvrange if they want to wake up late (negative externality).
the neighbours accepting eggs for the inconvenience is an example of private solution to negative externality
B. If Jill is cured he doesnt infect others (positive externality) If the bacteria is resistant, others can become infected and sick (negative externality)
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