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 offer the first direct evidence of an implicit contract in a goods market. The evidence comes from the market for Coca-Cola. We demonstrate that the Coca-Cola Company left a written evidence of its implicit contract with its consumers—a very explicit form of an implicit contract. The...

If producers have more information than consumers about goods’ attributes, then they may use non-price (rather than price) adjustment mechanisms and, consequently, the market may reach a new equilibrium even if prices remain sticky. We study a situation where producers adjust the quantity (per...