Does Demand and Price Uncertainty affect Belgian and Spanish Corporate Investment?

This paper investigates erapirically the influence of uncertainty on corporate investment. Uncertainty of demand, output prices and investment prices are measured by the standard deviation of (pre-)filtered Belgian (1984-1992) and Spanish (1983-1993) panel data, and included as explanatory variables in the investment equations derived from a neo-classical model with financial constraints. GMM-results indicate that investment behaviour towards output price uncertainty differs significantly in conjecture with a firm's size and leverage.