One potential real effect of inflation is its influence on the dispersion of relative prices in the economy which affects economic efficiency and aggregate output. Using a novel data set for the US and UK and a VARMA asymmetric bivariate GARCH-M model of inflation and relative price dispersion,...

The failure of decreases in oil prices to produce expansions that mirror the contractions associated with higher oil prices has been a topic of considerable interest. We investigate for the G-7 one explanation for this feature - the role of uncertainty about oil prices. In particular, we examine...

There has recently been considerable interest in the potential adverse effects associated with excessive uncertainty in energy futures markets. Theoretical models of investment under uncertainty predict that increased uncertainty will tend to induce firms to delay investment. These models are...