In the recent New Keynesian literature a standard assumption is that the price for which an intermediate good is sold to the final good firm is equal to the marginal costs of the intermediate good firm. However, there is empirical evidence that this need not to hold. This paper introduces price...

Recent research and policy discussions have noted that the potentially increased competition among firms since the 1990s may affect inflation and economic activity. This paper considers the implications of this structural change on short-run inflation dynamics, and for assessing shocks to...