We estimate the degree of 'stickiness' in aggregate consumption growth (sometimes interpreted as reflecting consumption habits) for thirteen advanced economies. We find that, after controlling for measurement error, consumption growth has a high degree of autocorrelation, with a stickiness...

This paper presents a simple new method for estimating the size of ‘wealth effects?on aggregate consumption. The method exploits the well-documented sluggishness of consumption growth (often interpreted as ‘habits?in the asset pricing literature) to distinguish between short-run and long-run...

We argue that the U.S. personal saving rate’s long stability (1960s–1980s), subsequent steady decline (1980s–2007), and recent substantial rise (2008–2011) can be interpreted using a parsimonious 'buffer stock' model of consumption in the presence of labor income uncertainty and credit...

This paper explores whether habit formation in the representative agent’s preferences can explain two failures of the standard permanent income model with intertemporally separable utility: the sensitivity of consumption to lagged consumer sentiment and to predictable changes in current income...

This paper examines the long-run effects of supply shocks (such as oil shocks) on inflation in the United States. The persistence of supply shocks in U.S. inflation fell considerably during the period of Volcker's disinflation (1979-1982). My empirical results suggest that the difference between...

"Buffer-stock" versions of the dynamic stochastic optimizing model of saving are now standard in the consumption literature. This paper builds theoretical foundations for rigorous understanding of the main characteristics of buffer stock models, including the existence of a target level of...

Today’s dominant strain of macroeconomic models supposes that aggregate consumption can be understood by assuming the existence of a ‘representative agent’ whose behavior rationalizes observed outcomes. But representative agent models yield embarrassingly implausible (and empirically...

This is an entry for The New Palgrave Dictionary of Economics, 2nd Ed.