Equilibrium real GDP A. Is where the aggregate expenditure line intersects the​ forty-five degree reference line. B. Is that output where there are no unplanned inventory changes. C. Is that output where the sum of consumption plus investment plus government spending plus exports minus imports equals the​ economy's output. D. All of the above are true statements.

Based on the supply and demand theory, why do medical doctors earn higher wages than child-care workers?

Plastic and steel are substitutes in the production of body panels for certain automobiles. if the price of plastic increases, with other things remaining the same, we would expect: a) the demand curve for plastic to shift to the left. b) the price of steel to fall. c) the demand curve for steel to shift to the left d) nothing to happen to steel because it is only a substitute for plastic. e) the demand curve for steel to shift to the right

Describe how to write a main idea expressed as a bottom-line statement