The paper studies the effect of inflation on price behaviour using price data from Canadian daily newspapers. We test the Sheshinski and Weiss (1977) monopoly price adjustment model on a sample of monopolistic as well as oligopolistic newspapers, in contrast to earlier studies that used data...

We analyze the effect of inflation on the average output of monopolistic firms facing a small fixed cost of changing nominal prices. Using Taylor expansions, we derive a general closed-form solution for the slope of the long-run Phillips curve. This very simple, unifying formula allows us to...

This paper studies, in a model of entry deterrence, conditions under which a small cost of changing nominal prices combined with a real rigidity leads to a large nominal rigidity. The entry deterrence environment, which generates the real rigidity, provides an appealing explanation as to why...