Sandra E. Black
, Paul Devereux
, Petter Lundborg
and Kaveh Majlesi
Sandra E. Black: Knut Wicksell Centre for Financial Studies, Lund University
Paul Devereux: Knut Wicksell Centre for Financial Studies, Lund University
Petter Lundborg: Knut Wicksell Centre for Financial Studies, Lund University
Kaveh Majlesi: Knut Wicksell Centre for Financial Studies, Lund University
Abstract: Risk-taking in financial markets is highly correlated between parents and their children; however, little is known about the extent to which these relationships are genetic or determined by environmental factors. We use data on stock market participation of Swedish adoptees and relate this to the investment behavior of both their biological and adoptive parents. We find that stock market participation of parents increases that of children by about 34% and that both pre-birth and post-birth factors are important. However, once we condition on having positive financial wealth, we find that nurture has a much stronger influence on risk-taking by children, and the evidence of a relationship between stock-holding of biological parents and their adoptive children becomes weaker. We find similar results when we study the share of financial wealth that is invested in stocks. This suggests that a substantial proportion of the transmission of risk behavior from parents to children is environmentally determined.
48 pages, August 1, 2015
Note: Full text versions of the paper: http://www.lusem.lu.se/media/kwc/working-papers/2015/wp_2015_7_full.pdf
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