Labor Supply Adjustment Lag
Observational StudyReview
Evaluating the timing of behavioral responses to unearned wealth transfers requires determining whether workers alter labor supply immediately or undergo a structural transition period over multiple years.
Picture this
When a worker receives a major long-term financial windfall, they rarely quit or reduce working hours on day one; instead, they complete existing work commitments, deliberate over lifestyle changes, and gradually reduce earnings over a multi-year period.
What the evidence says
MPE is 0.004 in the year of winning (Year 0), drops to -0.056 in Year 1, and stabilizes around -0.10 from Year 2 onward, demonstrating a 1-to-2-year adjustment period.
- Who was studied
- N = 194 human Massachusetts Megabucks lottery winners receiving $100,000 or less annually, tracked across 6 post-winning years via Social Security Administration data.
- How
- Year-by-year longitudinal OLS panel regressions of Social Security earnings on yearly lottery payments from Year 0 through Year 6 post-winning.
What to do
1. Factor a 1-to-2-year transition period into economic forecasting models before expecting labor supply reductions to reach full steady-state levels following a cash transfer policy.
From the source
"However, even during the first full year after winning the lottery the estimated MPE is much lower than that in subsequent years, at -0.056 (0.25). After the first post-lottery year, the MPE stabilizes around -0.10 (0.03)."
Estimating_the_Effect_of_Unearned_Income_on_Labor_Earnings,_Savings.pdf