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Twin picks: Disentangling the determinants of risk-taking in household portfolios

  • Calvet, Laurent E.
  • Sodini, Paolo

This paper investigates risk-taking in the liquid portfolios held by a large panel of Swedish twins. We document that the portfolio share invested in risky assets is an increasing and concave function of financial wealth, leading to different risk sensitivities across investors. Human capital, which we estimate directly from individual labor income, also drives risk-taking positively, while internal habit and expenditure commitments tend to reduce it. Our micro findings lend strong support to decreasing relative risk aversion and habit formation preferences. Furthermore, heterogeneous risk sensitivities across investors help reconcile individual preferences with representative-agent models.

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Paper provided by Research Center SAFE - Sustainable Architecture for Finance in Europe, Goethe University Frankfurt in its series SAFE Working Paper Series with number 13.

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Date of creation: 2013
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Handle: RePEc:zbw:safewp:13
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