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We present a dynamic quantity setting game, where players may continuously adjust their quantity targets, but incur convex adjustment costs when they do so. These costs allow players to use quantity targets as a partial commitment device. We show that the equilibrium path of such a game is...
Persistent link: https://www.econbiz.de/10012466713
In this paper, we argue that differences in the cost structure across sectors play an important role in the decision of firms to adjust their prices. We develop a menu-cost model of pricing in which retail firms intermediate trade between producers and consumers. An important facet of our...
Persistent link: https://www.econbiz.de/10012456172
Using an aggregative games approach, we analyze horizontal mergers in a model of multiproduct-firm price competition with nested CES or nested logit demands. We show that the Herfindahl index provides an adequate measure of the welfare distortions introduced by market power, and that the induced...
Persistent link: https://www.econbiz.de/10012453139
This paper presents new results on the size, frequency, and synchronization of price changes for twelve selected retail goods over the past 35 years. Three basic facts about the data are uncovered: first, nominal prices are typically fixed for more than one year although the time between changes...
Persistent link: https://www.econbiz.de/10012474056
Pricing complementarities play a key role in determining the propagation of monetary disturbances in sticky price models. We propose a procedure to infer the degree of firm-level pricing complementarities in the context of a menu cost model of price adjustment using data on prices and market...
Persistent link: https://www.econbiz.de/10012465194
The menu-cost interpretation of sticky prices implies that the probability of a price change should depend on the past history of prices and fundamentals only through the gap between the current price and the frictionless price. We find that this prediction is broadly consistent with the...
Persistent link: https://www.econbiz.de/10012468957
We propose a simple framework to assess the costs of nominal price adjustment using stock market returns. We document that, after monetary policy announcements, the conditional volatility rises more for firms with stickier prices than for firms with more flexible prices. This differential...
Persistent link: https://www.econbiz.de/10012459801
This paper develops a model of unemployment fluctuations. The model keeps the architecture of the general-disequilibrium model of Barro and Grossman (1971) but takes a matching approach to the labor and product markets instead of a disequilibrium approach. On the product and labor markets, both...
Persistent link: https://www.econbiz.de/10012459836
We study the efficiency of oligopoly equilibria in a model where firms compete over capacities and prices. The … demands across the firms. We first establish the existence of pure strategy subgame perfect equilibria (oligopoly equilibria … oligopoly equilibria of this game can be arbitrarily low. However, if the best oligopoly equilibrium is selected (among multiple …
Persistent link: https://www.econbiz.de/10012465855
We study the efficiency of oligopoly equilibria in congested markets. The motivating examples are the allocation of …
Persistent link: https://www.econbiz.de/10012467484