This is a discussion of Ratfai (2007), presented at the 2007 Macroeconomics Workshop of the Rimini Center for Economic Analysis on "The Macroeconomics of Price Setting," May 10-11, 2007, University of Bologna, Rimini, Italy.

Discussion of "Lumpy Price Adjustments: A Microeconometric Analysis" by Emmanuel Dhyne, Catherine Fuss, Hashem Pesaran, and Patrick Sevestre (2007); Presented at the Spring 2007 Conference of the Deutsche Bundesbank and the Banque De France on "Micro-Data and Macroeconomic Implications," April...

We use a rich and unique dataset of 20 million daily prices in groceries and supermarkets across the country to analyze stylized facts of the behaviour of consumer prices. Our findings are as follows: i) The median duration of prices is little over 2 months. Therefore, retail prices in Uruguay...

The concept of diminishing marginal utility is a cornerstone of economic theory. The consumption of a good typically creates satiation that diminishes the marginal utility of consuming more. Temporal satiation induces consumers to increase their stimulation level by seeking variety and therefore...

This research seeks to detect the institutional and regulatory constraints that limit the development of informal units in Djibouti by both the macroeconomic and microeconomic analysis. The review shows that institutional habits (corruption, going right) in regulation created transaction costs...

This work highlights the ways in which relationships between large retailers and suppliers develop themselves dependinf on of various types of suppliers. Suppliers diffrentiate among each other on the basis of size, the competitive structure of the market to which they belong. The case of...

In the ascending-price auctions with Yahoo!-type buy-it-now (BIN), we characterize and derive the closed-form solution for the optimal bidding strategy of the bidder and the optimal BIN price of the seller when they are both risk-averse. The seller is shown to be strictly better o with the BIN...

Based on the frictional matching framework, the paper provides a theoretical model for a specic type of two-sided platform: The buyer- seller transaction platform. In the model, the number of participants and the source of network externalities are endogenously determined. The platform is shown...

A characteristic of the news market is that consumers often cross-check information, i.e. observe several news outlets. At the same time, data on political media suggest that more partisan consumers are more likely to cross-check. We explore these phenomena by building a model of horizontal...

This paper examines the effect of information sharing on supply chain configuration where the market characterized by demand uncertainty. A dynamic multi-stage game theoretic model with incomplete information is employed to capture the sequence of events. Our supply chain consists of two...