We study a two-stage R&D project with an abandonment option. Two types of uncertainty influence the decision to start R …&D. Demand uncertainty is modelled as a lottery between a proportional increase and decrease in demand. Technical uncertainty is … modelled as a lottery between a decrease and increase in the cost to continue R&D. We relate differences in uncertainty to …

their risk aversion parameter invest less in risky assets than wealthy investors with identical risk aversion uncertainty. …

rates. The single agent, in a dynamic exchange economy, treats the conditional uncertainty about the consumption and …‐free rate in data and measure the uncertainty each period conditional on the actual, observed history of (U.S.) macroeconomic … growth outcomes. Ambiguity aversion accentuates the effect of conditional uncertainty endogenously in a dynamic way …

This paper demonstrates that well-established biases in decision making under uncertainty can generate poverty traps. A …

In criminal cases the task of the judge is to transform the uncertainty about the facts into the certainty of the …