In a dynamic optimisation model the profit maximising behaviour of a monopolist facing lagged adjustments of demand is investigated. It is shown that the long run equilibrium price differs from the static Cournot price. The monopolist sacrifices some of the long run profits in order to exploit...

The central point of this note is that the relationship between market power and inflation depends crucially on the source of inflationary shocks. To the extent that inflation is driven by demand shocks, firms with market power are likely to respond by increasing margins, and thereby amplifying...