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Williamson notes that there are several competing models of the business cycle because none currently captures all facets of the business cycle. One model that attempts to explain business cycles is the keynesian coordination failure model. In order to demonstrate your familiarity with this model provide detailed answers to the following questions: a) Is there a role for government intervention in the Keynesian coordination failure model? If so, what role does the government fulfil? Justify your answer. [13] b) What important inferences can be drawn from the Keynesian coordination failure model? [12]