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Table 7 Twin correlations and behavior genetic variance decomposition

From: The psychometric and empirical properties of measures of risk preferences

  Risk General Risk Financial Risk HRS
  \({\sigma _{m}^{2}}=0\) \({\sigma _{m}^{2}}>0\) \({\sigma _{m}^{2}}=0\) \({\sigma _{m}^{2}}>0\) \({\sigma _{m}^{2}}=0\) \({\sigma _{m}^{2}}>0\)
c o r r M Z 0.354*** 0.513*** 0.305*** 0.433*** 0.424*** 0.698***
s.e. (0.031) (0.053) (0.031) (0.049) (0.036) (0.074)
# pairs 1,128 1,128 1,134 1,134 1,000 1,000
c o r r D Z 0.141*** 0.216*** 0.176*** 0.249*** 0.192*** 0.311***
s.e. (0.028) (0.042) (0.030) (0.045) (0.037) (0.064)
# pairs 1,200 1,200 1,212 1,212 1,083 1,083
\(\hat {\sigma }_{A^{\ast }}^{2}\) 0.212* 0.353** 0.260*** 0.369*** 0.344** 0.545**
  (0.118) (0.169) (0.087) (0.128) (0.154) (0.251)
\(\hat {\sigma }_{C^{\ast }}^{2}\) 0.046 0.065
  (0.068) (0.099)
\(\hat {\sigma }_{D^{\ast }}^{2}\) 0.143 0.160 0.080 0.152
  (0.130) (0.185) (0.166) (0.267)
\(\hat {\sigma }_{E^{\ast }}^{2}\) 0.646*** 0.487*** 0.695*** 0.567*** 0.576*** 0.302***
  (0.031) (0.053) (0.031) (0.049) (0.036) (0.074)
  1. NOTES: The estimates in the first column under each variable name are not adjusted for measurement error (σ m2 = 0); the estimates in the second column are adjusted (σ m2 > 0). The lower panel shows the implied estimates for the variance components in the ACE model, whenever they are all positive; if the estimate of one of the variance components is negative, we report the estimates for the variance components in the ADE model instead
  2. * Significant at 10% level; ** significant at 5% level; *** significant at 1% level