High Discounts and High Unemployment
In recessions, the stock market falls more than in proportion to corporate profit. The discount rate implicit in the stock market rises. All types of investment fall, including employers' investment in job creation. According to the leading view of unemployment—the Diamond-Mortensen-Pissarides model—when the incentive for job creation falls, the labor market slackens and unemployment rises. Employers recover their investments in job creation by collecting a share of the surplus from the employment relationship. The value of that flow falls when the discount rate rises. Thus high discount rates imply high unemployment. This paper does not explain why the discount rate rises so much in recessions. Rather, it shows that the rise in unemployment makes perfect economic sense in an economy where the stock market falls substantially in recessions because the discount rises.
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Document Object Identifier (DOI): 10.3386/w19871
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