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When does idiosyncratic earnings uncertainty increase aggregate saving? We address this question in the context of a general equilibrium model where infinitely-lived agents receive idiosyncratic labor endowment shocks, hold a risk-free asset to smooth consumption and face a liquidity constraint....
Persistent link: https://www.econbiz.de/10005670835
This paper presents empirical evidence on the impact of competition on firm productivity. Using firm-level observations from the World Bank Enterprise Survey database, we find a positive and robust causal relationship between our proxies for competition and our measures of productivity. We also...
Persistent link: https://www.econbiz.de/10008470387
We quantify the inefficiency of the retirement component of the US social security system within a model where agents receive idiosyncratic labor-productivity shocks that are privately observed
Persistent link: https://www.econbiz.de/10005342987
This paper investigates the one-sector growth model where agents experience idiosyncratic endowment shocks and face a borrowing constraint. It is shown that a steady-state capital level lies strictly above the steady state in the model without shocks. In addition, the capital stock increases...
Persistent link: https://www.econbiz.de/10005498987
Is the use of fiat money essential in any efficient organization of exchange? We investigate this question in economies that are generalizations of the Townsend (1980) turnpike model that include limited commitment and differential information. We show that in the Townsend turnpike model fiat...
Persistent link: https://www.econbiz.de/10005370803
This paper investigates why high income households in the United States save on average more than low income households in cross-section data. The three explanations considered are (1) age differences across households, (2) temporary earnings shocks, and (3) the structure of transfer payments....
Persistent link: https://www.econbiz.de/10005372783
It is commonly conjectured that expected wealth accumulation increases when earnings risk increases as long as the utility function in each period is increasing, concave and has a positive third derivative. We present a counter example which highlights the importance of the convexity of the...
Persistent link: https://www.econbiz.de/10005396400
When does an individual's expected wealth accumulation profile increase as earnings risk increases? This paper answers this question for multi-period models where earnings shocks are independent over time. Sufficient conditions are stated in terms of properties of a decision rule for savings...
Persistent link: https://www.econbiz.de/10005396419