Abstract
AbstractAlmost every developed country experiences serious enlargement of the scale of government, specifically in the expansion of fiscal deficit s. This chapter outlines why such a phenomenon is so prominent, based on a Keynesian growth model entirely compatible with standard neoclassical microeconomics. Cost-minimizing investment plays a key role. Whenever the demand that each firm faces is constraint by effective demand (cases include the situation of monopolistic competition ), a firm strives to raise the productivity of labor and save its production costs. Since such a process continues only until costs are completely minimized, human capital investment is gradually reduced as the improvement in the production process advances. Thus, this form of investment cannot become a driving force for economic growth. As a result, and differing from the case for perfect competition analyzed in Chap. 12, ceaseless expansionary aggregate demand policy is inevitably required when seeking sustainable economic growth under monopolistic competition.KeywordsKeynesian growth modelScale of governmentFiscal deficitsCost-minimizing investment
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