The effectiveness of an advertising campaign can be measured a. only after the campaign has been carried out completely and results have been tabulated. b. before, during, and after the campaign through the use of pretests, inquiries, and posttests. c. only before the campaign begins, to prevent unnecessary expenditures. d. during the campaign to determine whether more or less funds should be allocated, but not after the campaign. e. several weeks after the beginning of the campaign to determine whether the campaign is headed in the right direction.

Answer the questions about keynesian theory, market economics, and government policy. keynes believed that there were "sticky" wages and that recessions are caused by increases in prices. decreases in supply. decreases in aggregate demand (ad). increases in unemployment. keynes believed the government should increase ad through increased government spending, but not tax cuts. control wages to increase employment because of sticky wages. increase employment through tax cuts only. increase as through tax cuts. increase ad through either increased government spending or tax cuts. intervene when individual markets fail by controlling prices and production.