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Consumption decisions are crucial determinants of business cycles and growth. Knowledge of how consumers respond to the economic environment and how they react to the risks that they encounter during the life-cycle is therefore important for evaluating stabilization policies and the effectiveness of fiscal packages implemented in response to economic downturns or financial crises.In The Economics of Consumption, Tullio Jappelli and Luigi Pistaferri provide a comprehensive examination of the most important developments in the field of consumption decisions and evaluate economic models against empirical evidence. The first part of the book provides the basic ingredients of economic models of consumption decisions. The central part reviews the empirical literature on the effect of income and wealth changes on consumption and on the relevance of precautionarysaving and credit market imperfections. The last chapters extend the basic framework to such important areas as bequests, leisure, lifetime uncertainty, and financial sophistication.Jappelli and Pistaferri shed light on important issues, including how consumption responds to changes in economic resources, how economic circumstances and consumers' characteristics influence behavior, and whether consumption inequality depends on income shocks and their persistence.

339.320 --- Consumptie: algemeenheden. Wet van de vraag in verband met de consumptie. Consumptiebehoefte. Behoeftetheorie --- Consumption (Economics)

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We review different empirical approaches that researchers have taken to estimate how consumption responds to income changes. We critically evaluate the empirical evidence on the sensitivity of consumption to predicted income changes, distinguishing between the traditional excess sensitivity tests, and the effect of predicted income increases and income declines. We also review studies that attempt to estimate the marginal propensity to consume out of income shocks, distinguishing between three different approaches: identifying episodes in which income changes unexpectedly, relying on the covariance restrictions that the theory imposes on the joint behavior of consumption and income growth, and combining realizations and expectations of income or consumption in surveys where data on subjective expectations are available.

Zonder onderwerpscode: economie

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This paper provides a life-cycle framework for weighing up the insurance value of disability benefits against the incentive cost. Within this framework, we estimate the life-cycle risks that individuals face in the US, as well as the parameters governing the disability insurance program, using indirect inference and longitudinal data on consumption, disability status, disability insurance receipt, and wages. We use our estimates to characterize the economic effects of disability programs and to consider how policy reforms would affect behaviour and standard measures of household welfare. Because of high levels of false rejections associated with the screening problem, average household welfare increases as the program becomes less strict, despite the worsening incentives that this implies. Incentives for false applications are reduced by reducing generosity and increasing reassessments and these policies also increase average household welfare, despite the worse insurance implied.

Zonder onderwerpscode: economie

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