Protection of rivers in Idaho is a public good. If the marginal social cost of protecting rivers in Idaho exceeds the marginal social benefit of river protection, is there more than, less than,
or the efficient amount of river protection taking place?
If the marginal social cost exceeds the marginal social benefit, there is more than the efficient amount of protection taking place. The efficient amount is the quantity such that the marginal social benefit equals the marginal social cost. Any other amount creates a deadweight loss.
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Which of following is a key assumption of a perfectly competitive market?
A) Firms can influence market price. B) Commodities have few sellers. C) It is difficult for new sellers to enter the market. D) Each seller has a very small share of the market. E) none of the above
Economic models are NOT used to
A) explain economic phenomena. B) predict economic phenomena. C) understand economic phenomena. D) describe all economic phenomena in minute detail.