Comment on Ameriks, Caplin, Leahy & Tyler (2007): Measuring Self-Control Problems
No 61, Working Papers CIE from Paderborn University, CIE Center for International Economics
Ameriks, Caplin, Leahy & Tyler (2007) study how lack of self-control may lead to overconsumption and low wealth accumulation. For their analysis, the authors calculate difference scores from their survey questions. We review their study and highlight potential issues in the use of difference scores such as lack of reliability, validity, spurious correlation and variance restriction. The concerns we raise put into question their findings and the conclusions they draw.
Keywords: self-control; difference scores; reliability; validity; spurious correlation; variance restriction (search for similar items in EconPapers)
JEL-codes: A12 B41 C18 C42 (search for similar items in EconPapers)
Pages: 16 pages
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Persistent link: https://EconPapers.repec.org/RePEc:pdn:ciepap:61
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