Author's abstract. This paper investigates the determinants of financial risk-taking and documents new facts on the financial wealth elasticity of the risky share in a panel of swedish twins. <p>We consider a uniquely comprehensive set of demographic and financial characteristics, and use yearly...</p>

This paper investigates the efficiency of household investment decisions in a unique dataset containing the disaggregated wealth and income of the entire population of Sweeden.

We introduce a tractable class of non-affine price processes with multifrequency stochastic volatility and jumps. The specifi cations require few fixed parameters and deliver fast option pricing. One key ingredient is a tight link between jumps and volatility regimes, as asset pricing theory...