Construct · 1 fields · 1 citations

guardrail: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaningorganizational commitmentcompare the meanings
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guardrail1 CONSTRUCTWithdrawal guardrailGUYTON & KLINGER · SPEND

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Personal finance and retirement planning

Decision rules that raise or cut withdrawals to protect a portfolio

In retirement planning, guardrails are decision rules that adjust how much a retiree withdraws each year, cutting spending after the portfolio falls and permitting a raise after it grows, so the savings are less likely to run out. Guyton and Klinger's 2006 Decision rules and maximum initial withdrawal rates named these upper and lower thresholds guardrails, formalising an earlier decision-rule approach into a capital-preservation limit and a prosperity limit. Here the referent is a numerical spending rule tied to portfolio value, not a steel barrier along a road or a filter on a model's output.[1]

Unit
A percentage band around a target withdrawal rate that triggers a raise or a cut
Recovery means
Spending is restored toward the target once the portfolio recovers above the lower threshold
Measured by
Backtested by simulating withdrawal paths and reporting portfolio survival and income variability

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Nearby constructs

barrier4 fields · 7 citationsjingle · one word, four constructsalignment6 fields · 12 citationsjingle · one name, six constructscontrol4 fields · 5 citationsjingle · one word, four constructs

References

  1. Guyton, J. T., & Klinger, W. J. (2006). Decision rules and maximum initial withdrawal rates. Journal of Financial Planning, 19(3), 48–58.

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