Counting only qualified and part-time workers as employed tends to understate the actual amount of unemployment

A tax on the sellers of cameras encourages

A. sellers to supply a smaller quantity at every price. B. buyers to demand a smaller quantity at every price. C. sellers to supply a larger quantity at every price. D. Both A) and B) are correct.

In building a model the assumption that allows economists to study only the factors being analyzed is the

A) rationality assumption. B) ceteris paribus assumption. C) the self-interest assumption. D) the scarcity assumption.