RISK SHOCKS, RISK MANAGEMENT, AND INVESTMENT

Autor: Jonathan E. Goldberg
Rok vydání: 2019
Předmět:
Zdroj: Macroeconomic Dynamics. 25:1779-1809
ISSN: 1469-8056
1365-1005
DOI: 10.1017/s1365100519000865
Popis: This paper studies the macroeconomic effects of shocks to idiosyncratic business risk in an economy with endogenously incomplete markets. I develop a model in which firms face idiosyncratic risk and obtain insurance from intermediaries through contracts akin to credit lines. Insurance is imperfect due to limited commitment in financial contracts. Although steady-state capital is higher than if firms were constrained to issue only standard equity, a rise in uncertainty about idiosyncratic business outcomes leads to an endogenous reduction in risk sharing. This deterioration in risk sharing results from a general-equilibrium shortage of pledgeable assets and implies that the economy’s response to an increase in idiosyncratic business risk can be amplified by financial contracting rather than dampened. In a parametrized version of the model, a rise in idiosyncratic business risk generates a large increase in uncertainty about aggregate investment.
Databáze: OpenAIRE