This paper investigates the presence and strength of internal and external habit formation in consumption, using monthly household data. The habit hypothesis is used to explain empirical regularities in macroeconomics and finance. Empirical studies based on aggregate data (macro-evidence) leave...

Using information in returns we identify the stochastic process of consumption – the crucial ingredient of most macro-finance models. We find that aggregate consumption reacts over multiple quarters to innovations spanned by financial markets, and this persistent component accounts for 26% of...