As a percentage of GDP, health care spending on Medicare and Medicaid is expected to double over the next 40 years unless health care costs begin to grow at a slower rate

A specialized worker doesn't spend time switching from one task to another. This source of productivity increase is called

A) functionality. B) continuity. C) innovation. D) repetition.

Refer to the information provided in Figure 2.4 below to answer the question(s) that follow. Figure 2.4According to Figure 2.4, as the economy moves from Point E to Point A, the opportunity cost of hybrid cars, measured in terms of motorcycles

A. increases. B. initially increases, then decreases. C. decreases. D. remains constant.