This paper examines the effect of economic policy uncertainty and its components on firm-level investment. It is found that economic policy uncertainty in interaction with firm-level uncertainty depresses firms’ investment decisions. When firms are in doubt about costs of doing business due to...

In this paper we argue that an oil price change is likely to have greater impact on real GNP in an environment where oil prices have been stable, than in an environment where oil price movement has been frequent and erratic. An oil price shock variable reflecting both the unanticipated component...

This paper advances a hypothesis that the negative correlation between ex post real returns and unexpected inflation is induced by the negative correlation between ex post real returns and the uncertainty premium. The hypothesis is based on an uncertainty-adjusted present value model in which...