Refer to the above table. What does the marginal physical product equal when the amount of labor goes from 11 to 12 units?

Is there any difference between fining people who put contaminants into the atmosphere and charging fees for putting contaminants into the air?

A) Not if the fee and the fine are the same per quantity of contaminant. B) Not if the fee per quantity of contaminant is the same as the fine multiplied by the probability of "getting caught." C) Only in the language or rhetoric, but not in the incentives the laws create. D) Yes, because a fee constitutes social authorization while a fine expresses social disapproval.

A new domestic industry with potential economies of scale is called an infant industry.

a. true b. false