Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/278151 
Year of Publication: 
2022
Series/Report no.: 
AWI Discussion Paper Series No. 716
Publisher: 
University of Heidelberg, Department of Economics, Heidelberg
Abstract: 
We contribute to the literature on how program design affects program performance among vulnerable groups by studying the effects of varying the subsidy level and program procedures in an energy efficiency assistance program targeting low-income households in Germany. Eligible households receive, upon enrolment, a voucher to subsidize refrigerator replacement. The voucher is redeemed against cash following replacement. Observing the decisions of 77,305 eligible households, our RDD design exploits two quasi-exogenous temporal discontinuities in voucher value and program procedures. We find that a switch from automatic to elective enrolment and more rigid voucher terms reduces the number of vouchers in circulation, but raises the replacement rate among eligible households, the key performance metric, by 4 to 10 percentage points, consistent with psychological theories of goal setting and time management. A subsidy increase of €50 raises replacement rates by 9 to 16 percentage points. The effect of procedural changes is equivalent to an additional €34 in subsidy. Back-of-the-envelope calculations highlight that low-cost changes in procedures that target the behavioral responses of low-income households represent plausible areas of unexploited economies in program design and merit systematic investigation.
Subjects: 
Public behavioral economics
energy efficiency
low-income households
durablereplacement
energy poverty
technology adoption
JEL: 
C25
D15
H23
O33
Q20
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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