Multiple Choice
Which of the following is a political reason for governments to intervene in markets to address externalities?
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7. Externalities
Public Solutions to Externalities
Multiple Choice
Why might it be beneficial for patents to be temporary when addressing externalities in markets?
A
Temporary patents discourage investment in research and development by limiting profit opportunities.
B
Temporary patents increase barriers to entry for new firms in the long run.
C
Permanent patents ensure that inventors always receive monopoly profits, maximizing social welfare.
D
Temporary patents encourage innovation while eventually allowing knowledge to become public, reducing long-term market inefficiencies.
Verified step by step guidance1
Understand the role of patents as a form of intellectual property rights that grant inventors temporary monopoly power to exclude others from using their invention.
Recognize that patents create positive externalities by encouraging innovation and research and development (R&D), since inventors can expect to earn profits from their inventions during the patent period.
Analyze why making patents temporary is beneficial: it balances the incentive to innovate (by granting temporary monopoly profits) with the eventual diffusion of knowledge to the public domain, which promotes competition and reduces market inefficiencies over time.
Consider the negative effects of permanent patents, such as sustained monopoly power that can lead to higher prices, reduced competition, and slower technological progress, which can harm social welfare.
Conclude that temporary patents help internalize the positive externality of innovation by providing incentives for R&D while ensuring that, after a limited period, the knowledge becomes publicly accessible, fostering further innovation and efficient market outcomes.
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