Because workers in the U.S. economy receive most of the total income earned, which of the following factors of production is considered to be the most important?

In order to make reliable forecasts with time series data, all of the following conditions are needed with the exception of

A) coefficients having been estimated precisely. B) the regression having high explanatory power. C) the regression being stable. D) the presence of omitted variable bias.

Many people believe that a monopolist can set his own price which consumers have little recourse but to pay, and thereby reap enormous profits. Is this true?