Fear itself: How risk sensitive firms can give demand shocks bite

Zhaochen He

Economic Modelling, 2019, vol. 82, issue C, 437-452

Abstract: Many economists believe that recessions arise when aggregate demand is insufficient to support full employment. However, replicating this intuition within a real business cycle (RBC) model has proven surprisingly challenging. Rather than eliciting a contraction, lower consumer demand leads to greater household savings in many such models, fueling new investment and causing the economy to expand. The present paper proposes a novel way to resolve this apparent paradox: risk-averse firms. In the model to follow, cautious firms reduce their demand for investment prior to a recession. This contraction in the demand for capital overcomes the increased supply arising from consumer savings and restores intuitive business cycle behavior. In particular, the paper demonstrates that the model economy contracts when subjected to an uncertainty shock in consumer demand, mimicking a pre-recessionary environment in which firms, fearing a lack of orders, precipitate the downturn by reducing capital expenditures. These results are consistent with microeconomic evidence that uncertainty, particularly uncertainty about future demand, is the primary reason for firms shedding workers or scaling down operations in advance of an economic downturn. More generally, they imply that firm's attitudes towards risk shouldn't be ignored in modern macroeconomic models.

Keywords: Demand shock; Uncertainty shock; Second moment shock; Risk; Risk averse firms; Real business cycles; RBC; Dynamic stochastic general equilibrium; DSGE; Investment; Business cycles; Recession (search for similar items in EconPapers)
JEL-codes: E32 L21 (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecmode:v:82:y:2019:i:c:p:437-452

DOI: 10.1016/j.econmod.2019.01.022

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