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[제2014-9호] Welfare Cost of Business Cycles in Economies with Individual Consumption Risk

연구조정실 2014.04.11 4083

제목: Welfare Cost of Business Cycles in Economies with Individual Consumption Risk

저자: Martin Ellison(University of Oxford) Thomas J. Sargent(New York University)

  

  <Abstract>

 

The welfare cost of random consumption fluctuations is known from DeSantis (2007) to be increasing in the level of individual consumption risk in the economy. It is also known from Barillas et al. (2009) to increase if agents in the economy care about robustness to model misspecification. In this paper, we combine these two effects and calculate the cost of business cycles in an economy with consumers who face individual consumption risk and who fear model misspecification. We find that individual risk has a greater impact on the cost of business cycles if agents already have a preference for robustness. Correspondingly, we find that endowing agents with concerns about a preference for robustness is more costly if there is already individual risk in the economy. The combined effect exceeds the sum of the individual effects.

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