Despite the improvements in information technology, productivity growth since 2006 has fallen to an even lower rate than during the period of slow growth from the mid-1970s to the mid-1990s

Although a variety of commodities have been used as money, the most commonly used have been

a. stones and cattle. b. shells and beads. c. gold and silver. d. cigarettes and candy bars.

Based on the figure below. Starting from long-run equilibrium at point C, an increase in government spending that increases aggregate demand from AD to AD1 will lead to a short-run equilibrium at point ________ creating _____gap.  

A. D; an expansionary B. B; no output C. B; expansionary D. A; a recessionary