Refer to the graph below with three demand curves. A "decrease in demand" would be illustrated as a change from:

When there is a recession (a fall in output) and prices are increasing, and this situation is caused by adverse supply shocks, the term economists use to describe it is

A) stagflation. B) inflation. C) aggregate shifts. D) stagnation.

Ordinary Least Squares Regression analysis attempts to

A) maximize the distance of each point from a regression line. B) select a line that fits the data well. C) maximize the residual. D) change a multivariate problem into a single dimension.