The purpose of this paper is to assess the seasonal inflation uncertainties for a big open economy, the US, for the period from January 1947 to April 2008. The paper uses EGARCH model which includes volatility in the conditional mean equation capturing the short-term and long-term volatility...

Uncertainty in economic and financial variables has substantially changed the dynamics in monetary economics during the last two decades in oil‐producing countries. However, there are types of uncertainties which affect these countries heterogeneously in the short run and long run. For this...