.In this paper we assess the impact of commodity price volatility on tax revenues, while existing works were concentrated on … country-specific indices which measure the volatility of the international price of 41 commodities in the sectors of … homogenous between countries. First, the export price volatility impact is negative except for oil exporters for whom it is null …

determines the relative price of investment, can affect the investment rate and the permanent growth rate of the economy. The …