Suppose research indicates that the effects of a one degree increase in Earth's average temperature would be much more devastating than previously believed. Therefore, the greater the marginal benefit of reducing greenhouse gases, other things constant,

a. the lower the optimal level of emissions
b. the higher the optimal level of emissions
c. the likelier that the level of emissions would have no effect
d. the lower the optimal level of cleaner air
e. None of the answers is correct

A

Economics

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Which of the following is an example of positive rate of time preference?

a. buying a movie ticket the night the movie comes out b. waiting to read your favorite book until it comes out in paperback c. waiting until the new model of the car you want comes out d. none of the above are examples of the positive rate of time preference

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In input, or factor, markets

A. households demand goods. B. firms supply goods. C. households supply resources. D. consumers purchase products.

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