When a positive externality exists, the marginal social demand curve

a. is the same as the market supply curve
b. is the same as the market demand curve
c. lies below the market demand curve
d. lies above the market demand curve
e. lies below the market supply curve.


D

Economics

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Economics

The largest source of tax revenues for states is

A. general sales. B. motor fuel. C. alcoholic beverages. D. tobacco.

Economics

In 1990, there were 50 bilateral agreements and regional trade agreements between countries. Today there are

A) more than 230 of these agreements. B) 30 of these agreements. C) none of these agreements remaining. D) more than 10,000 of these agreements.

Economics

Compared to a barter economy, using money increases efficiency by reducing:

a. transaction costs. b. the need to exchange goods. c. the need to specialize. d. inflation.

Economics