We use a laboratory experiment to study the extent to which investors‘ choices are affected by limited loss deduction in income taxation. We first compare investment behavior in the no tax baseline to a tax control setting, in which the income from investments is taxed. We find that investors...

In a laboratory experiment that allows us to vary the taxation method while keeping the financial outcomes constant, we find clear evidence that aggregated income taxation (comparable to profit taxation) with complete loss deduction induces a sustained bias towards more risky investment...

We derive an ex post neutral comprehensive income tax on pension schemes equivalent to a Johansson-Samuelson tax that guarantees non-discriminatory treatment of lifetime-dependent and other investments. By separately taxing contributions and benefits, our concept does not require any assumptions...