In the late 19th century, increases in productivity in the _________ industry were driven mostly by innovation, while increases in productivity in the ________ industry were driven by both invention and innovation

If the poor cannot afford proper medical treatment, an economist, for reasons of efficiency, would favor

a. giving the poor added income to spend as they see fit. b. paying doctors bonuses to treat the poor. c. paying the medical bills of the poor. d. giving the poor "medical stamps."

Perfect competition forms one extreme of the market structure spectrum

a. True b. False Indicate whether the statement is true or false