The literature on consumption behavior finds that households consistently reduce consumption at retirement. It documents a consumption dip of between seven and 17% on average. However, according to life cycle theory, households smooth marginal utility of
consumption across time periods. The discrepancy between the predictions of theory and empirical findings is known as the retirement-consumption puzzle.
A deeper knowledge on retirement saving behavior is of interest for at least three reasons. First, it facilitates the testing of theoretical models like the life cycle hypothesis. Thereby, it helps to understand if and by how far individuals plan their retirement in a rational manner. Second,...
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The task of this paper is to assess both theory and empirical evidence of the retirement consumption puzzle. It, therefore, discusses the basic characteristics of standard life cycle theory in section 2. Section 3 examines the main determinants of the puzzle and
perspectives from which the puzzle has been investigated. Section 4 concludes.
Table of Contents
1 Introduction
2 The Life Cycle Hypothesis
2.1 The Stripped Down Life Cycle Model
2.2 Consumption Smoothing
3 The Retirement-Consumption Puzzle
3.1 Household Characteristics and Life Cycle Consumption
3.1.1 Wealth and Income
3.1.2 Unplanned Events
3.1.3 Decomposing Consumption
3.2 Approaches to the Puzzle
3.2.1 Substitution Effects
3.2.2 Irrationality
3.3 Critical Assessment
4 Conclusion
Objectives and Research Focus
This paper examines the theoretical framework and empirical evidence surrounding the so-called "retirement-consumption puzzle," which describes the unexplained, significant decline in household consumption observed upon retirement, despite life cycle theory suggesting that households should smooth their consumption over time.
- Theoretical foundations of the Life Cycle Hypothesis and consumption smoothing.
- Analysis of socio-economic determinants, specifically wealth, income, and unplanned events.
- Disaggregation of consumption categories to understand heterogeneous spending patterns.
- Evaluation of potential explanations including substitution effects (leisure vs. consumption) and behavioral irrationality.
- Critical assessment of empirical data limitations and research methodologies in the field.
Excerpt from the Book
3.1.1 Wealth and Income
It is widely established that the socio-economic status has an impact on health and mortality. Therefore, the level of education, employment, income, or wealth changes when cohorts age because households with lower socio-economic status tend to die earlier. Segmenting cohorts by socio-economic factors reveals heterogeneous consumption patterns. In order not to go beyond the scope of this paper, we concentrate on households’ wealth and income levels exclusively.
In US survey data, Bernheim et al. measure considerably negative changes in consumption at retirement for all wealth and income quartiles. The observed decline negatively correlates with both wealth and income replacement rates (i.e., the fraction of pre-retirement to post-retirement non-asset income). While consumption of the wealthiest and of the highest income replacement quartile drops by 9.4% and 5.2%, respectively, the poorest quartile’s consumption decreases by 24%. The authors can rejected that the consumption decline is of equal magnitude for all wealth quartiles with 99.9% confidence. Apart from households that belong to both the top income and wealth quartile of the sample, all households experience a considerable drop at retirement. Even in an above average wealthy sample, Ameriks et al. show that about 90% of workers expected to spend at most the same amount after retirement with a mean expected decline of 11.3%. At the same time, 80% of retirees spend at most the same after retirement with a mean realized decline of 4.6%.
In consequence, the phenomenon of shrinking consumption is observed in the majority of households that pass into retirement. The results also rule out interpretations that consumption decreases solely due to insufficient retirement resources. That is because a considerable portion of wealthy households apparently reduce their consumption expenditures voluntarily.
Summary of Chapters
1 Introduction: Provides an overview of the retirement-consumption puzzle, documenting the persistent drop in consumption at retirement and outlining the paper's goal to assess relevant theories and empirical findings.
2 The Life Cycle Hypothesis: Introduces the theoretical basis for household consumption behavior, specifically focusing on the stripped-down life cycle model and the mechanism of consumption smoothing.
3 The Retirement-Consumption Puzzle: Investigates the puzzle by analyzing household characteristics, potential explanations such as substitution effects and irrationality, and critically assessing the limitations of existing research data.
4 Conclusion: Summarizes the key findings, acknowledging that the puzzle arises from a complex interaction of factors rather than a single cause, and highlights the need for better long-term data for future research.
Keywords
Retirement-consumption puzzle, Life cycle hypothesis, Consumption smoothing, Wealth, Income, Unplanned events, Substitution effects, Irrationality, Hyperbolic discounting, Financial planning, Socio-economic status, Consumption categories, Household expenditures, Retirement expectations, Empirical evidence
Frequently Asked Questions
What is the central topic of this research paper?
The paper explores the "retirement-consumption puzzle," which is the empirical observation that households reduce their consumption significantly upon retiring, contradicting the traditional economic life cycle theory that predicts consumption smoothing.
What are the primary themes discussed in this work?
The core themes include the validity of the life cycle hypothesis, the role of wealth and income on retirement spending, the impact of unplanned events like health shocks, and behavioral explanations for consumption changes.
What is the main objective of this study?
The primary goal is to assess both theoretical perspectives and empirical findings to understand why consumption drops at retirement and to evaluate whether this behavior is rational or stems from other factors.
Which scientific methodology is employed?
The paper performs a literature-based analysis, synthesizing findings from various empirical studies, survey data (such as CEX, BHPS, and HRS-CAMS), and theoretical economic models to test the consistency of current consumption behavior with standard life cycle theory.
What does the main body of the paper cover?
It covers the life cycle model assumptions, the decomposition of consumption into specific categories (like food vs. luxury goods), the influence of substitution effects between leisure and consumption, and behavioral concepts like hyperbolic discounting.
Which keywords best characterize the research?
Key terms include the retirement-consumption puzzle, life cycle hypothesis, consumption smoothing, household wealth, income, substitution effects, and irrationality.
How do "unplanned events" contribute to the consumption puzzle?
The paper explains that unexpected shocks, such as unemployment or poor health, force households to adjust their consumption downward, often leading to a discrete consumption drop that the standard life cycle model cannot fully account for.
What is the significance of "substitution effects" in this context?
Substitution effects suggest that because retirees have more free time, they may substitute leisure for market-purchased goods—for instance, spending more time preparing food at home—which effectively reduces their recorded monetary expenditure without necessarily lowering their utility or actual consumption.
- Arbeit zitieren
- Kevin Rink (Autor:in), 2011, The Retirement-Consumption Puzzle: Theory and Empirical Evidence, München, GRIN Verlag, https://www.grin.com/document/173049
