In this paper we perform a meta-analysis on empirical estimates of the impact between investment and uncertainty. Since … can explain to a large extent why empirical estimates of the investment-uncertainty relationship differ. …

of uncertainty on travel times and the implications this has forestimations of travel time values has received much less … attention in the literature. In thispaper we compare various modelling approaches to address uncertainty and demonstrate … thatignoring uncertainty issues may easily lead to distorted estimates of values of travel time. Thisis of special relevance in …

We study the optimal taxation of risk-free and excess capital income with heterogeneous rates of return, alongside an … optimal nonlinear earnings tax. Households can hold three assets: one risk-free, one risky but diversifiable, and one a … private investment with idiosyncratic risk whose expected return differs among households. Contrary to expectations, the …