Technology Shocks and Asset Pricing: The Role of Consumer Confidence

Vincenzo Merella and Stephen E. Satchell

No 352, Carlo Alberto Notebooks from Collegio Carlo Alberto

Abstract: We show that the introduction in a power utility function of a confidence index to sig- nal the state of the world allows for an otherwise standard asset pricing model to match the observed consumption growth volatility and excess returns with a reasonable level of relative risk aversion. Our results stem from two quantitative exercises: a calibration and a non-linear estimation. In both cases, our findings are robust to di¤erent data frequen- cies and various indicators of confidence. Our estimations are also robust to a number of instrument specifications. We rationalise this finding by developing a model where monopo- listically competitive firms are subject to idiosyncratic shocks, which a¤ect both the quantity and the quality of the goods produced. When households foresee good times, they expect firms to generate higher profits and produce higher quality goods. While greater expected excess returns provide a larger incentive to save, better expected quality of consumption discourages saving, as it lowers the expected marginal utility of any given level of physi- cal consumption. Compared to standard consumption-based frameworks, our model thus predicts a more stable consumption path. Building on the customary notion of confidence indicators as the household expectations on the future state of the economy, we argue that confidence provides a suitable proxy for the unobservable quality of consumption via the positive correlation between the latter and the overall performance of the economy.

Keywords: Asset Pricing; Consumer Confidence; Technology Shocks (search for similar items in EconPapers)
JEL-codes: E21 G12 (search for similar items in EconPapers)
Pages: 44 pages
Date: 2014
New Economics Papers: this item is included in nep-mac and nep-upt
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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