If the marginal social cost of generating a kilowatt of electricity is $0.10 and the marginal private cost is $0.08, what is the marginal external cost?

The market price of existing bonds is ________ to the rate of interest prevailing in the economy

A) directly related B) inversely related C) synonymous D) totally unrelated

According to the principle of diminishing returns, if all factors of production but one are held constant and if that one factor is doubled, then eventually output will most likely

A) double too. B) more than double. C) less than double. D) remain unchanged.