Short-run macroeconomic equilibrium occurs at the point of intersection of the short-run aggregate supply curve and the short-run aggregate demand curve

When demand is elastic, a fall in price causes total revenue to rise because

A) the percentage increase in quantity demanded is less than the percentage fall in price. B) the demand curve shifts. C) when price falls, quantity sold increases so total revenue automatically rises. D) the increase in quantity sold is large enough to offset the lower price.

A government program, once started, perpetuates itself because those in charge of administering the program often become its strongest supporters

a. True b. False