Aloud band plays a concert late at night in a neighborhood park. the noise produced by the band that keeps the neighbors not attending the concert awake is only a private cost. only an external cost. both a private cost and an external cost. neither a private cost nor an external cost. a private benefit because the neighbors get to hear the band.

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.