scholarly journals Risk Sharing under Limited Commitment

Author(s):  
Eva Carceles-Poveda ◽  
Arpad Abraham
2013 ◽  
Vol 5 (4) ◽  
pp. 107-140 ◽  
Author(s):  
Tobias Broer

This paper shows how two standard models of consumption risk-sharing—self-insurance through borrowing and saving and limited commitment to insurance contracts—replicate similarly well the standard, second-moment measures of insurance observed in US micro data. A nonparametric analysis, however, reveals strongly contrasting and counterfactual joint distributions of consumption, income and wealth. Method of moments estimation shows how measurement error in consumption eliminates excessive skewness and smoothness of consumption growth. Moreover, counterfactual nonlinearities disappear at high-estimated risk aversion under self-insurance, but are a robust feature of limited commitment. Its “shape of insurance” thus argues in favor of the self-insurance model. (JEL D14, D81, D91, G22, E21)


2019 ◽  
pp. 1-31
Author(s):  
Jonathan Goldberg

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.


2010 ◽  
Vol 46 (3) ◽  
pp. 475-501 ◽  
Author(s):  
Weerachart T. Kilenthong

2017 ◽  
Vol 85 (3) ◽  
pp. 1389-1424 ◽  
Author(s):  
Árpád Ábrahám ◽  
Sarolta Laczó

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