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The Theory Of Okun 's Theory

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Okun’s law has always been accepted as an empirical regularity but lacks strong theoretical foundations. We will attempt to provide a sound theoretical framework to this amazing empirical regularity by deriving it from it s first principles as in Okun’s seminal paper .The most common error previous literature has committed is that it has mis-specified the Okun’s framework .While Okun specified his relationship as mutatis mutandis , most current applications imply a ceteris paribus relationship. Most macroeconomic textbooks and previous literature have committed the above error.\* The Okun’s original prediction that a 1 percent decrease in unemployment causes a 3 percent increase in output is a Parri Passu relationship . What this means is that other factors like change in weekly hours, labor force participation rates all have independent effect on the output gap apart from unemployment changes.\* Okuns original paper published in 1962 “ Potential GNP : its measurement and significance is a remarkably modern and pivotal statement on the supply side of Keynesian models that emphasized on the demand management stabilization policies to stimulate the economy .Okun’s main conclusion was that a one percentage point reduction in unemployment causes a 3 percent increase in output . The main aim of him publicizing this relationship and the output gain was to encourage aggregate demand driven policy changes on the lines of Keynes .\* Okun said in his original paper "if programs to

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