The overall mortality rate in the United States has declined for the past 30 years

A statement that argues that "if taxes on gasoline increase, gasoline consumption will decrease" is an example of what kind of statement?

A) a marginal statement B) a macroeconomic statement C) a normative statement D) a positive statement E) a statement that violates rational choice

Comparative advantage and trade allow nations to specialize in the production of a larger number of different goods.

a. true b. false