SIFR Research Report Series,
Institute for Financial Research

Abstract: What are the origins of individual savings behavior? Using data on identical and fraternal twins matched with data on their savings behavior, we find that an individual's savings propensity is governed by both genetic predispositions, social transmission from parents to their children, and gene-environment interplay where certain environments moderate genetic influences. Genetic variation explains about 35 percent of the variation in savings rates across individuals, and this genetic effect is stronger in less constraining, high socioeconomic status environments. Parent-child transmission influences savings for young individuals and those who grew up in a family environment with less competition for parental resources. Individual-specific life experiences is a very important explanation for behavior in the savings domain, and strongest in urban communities. In a world progressing rapidly towards individual retirement savings autonomy, understanding the origins of individuals' savings behavior are of key importance to economists as well as policy makers.

Keywords: Savings; Consumption; Behavioral Genetics

JEL-codes: D10; D31; G11

48 pages, September 15, 2010

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