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On the welfare cost of consumption fluctuations in the presence of memorable goods


  • Hai, Rong
  • Krueger, Dirk
  • Postlewaite, Andrew


We propose a new classification of consumption goods into nondurable goods, durable goods and a new class which we call memorable goods. A good is memorable if a consumer can draw current utility from its past consumption experience through memory. We construct a novel consumption-savings model in which a consumer has a well-defined preference ordering over both nondurable goods and memorable goods. Memorable goods consumption differs from nondurable goods consumption in that current memorable goods consumption may also impact future utility through the accumulation process of the stock of memory. In our model, households optimally choose a lumpy profile of memorable goods consumption even in a frictionless world. Using Consumer Expenditure Survey data, we then document levels and volatilities of different groups of consumption goods expenditures, as well as their expenditure patterns, and show that the expenditure patterns on memorable goods indeed differ significantly from those on nondurable and durable goods. Finally, we empirically evaluate our model's predictions with respect to the welfare cost of consumption fluctuations and conduct an excess-sensitivity test of the consumption response to predictable income changes. We find that (i) the welfare cost of householdlevel consumption fluctuations may be overstated by 1:7 percentage points (11:9% points as opposed to 13:6% points of permanent consumption) if memorable goods are not appropriately accounted for; (ii) the finding of excess sensitivity of consumption documented in important papers of the literature might be entirely due to the presence of memorable goods.

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  • Hai, Rong & Krueger, Dirk & Postlewaite, Andrew, 2013. "On the welfare cost of consumption fluctuations in the presence of memorable goods," CFS Working Paper Series 2013/24, Center for Financial Studies (CFS).
  • Handle: RePEc:zbw:cfswop:201324

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    Cited by:

    1. Gabriela Prelipcean & Mircea Boscoianu, 2014. "Stochastic Dynamic Model on the Consumption – Saving Decision for Adjusting Products and Services Supply According with Consumers` Attainability," The AMFITEATRU ECONOMIC journal, Academy of Economic Studies - Bucharest, Romania, vol. 16(35), pages 201-201, February.
    2. Keshav Dogra & Olga Gorbachev, 2016. "Consumption Volatility, Liquidity Constraints and Household Welfare," Economic Journal, Royal Economic Society, vol. 126(597), pages 2012-2037, November.

    More about this item

    JEL classification:

    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth


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