Following the surge in world food prices of 2007–2008, there has been a revival of short-run household welfare analysis that seeks to understand whether food price increases are beneficial or detrimental for households. For a number of reasons, including lack of data in some instances, the...

The theoretical and empirical macroeconomic literature suggests that price rigidity in industrialized countries is substantial and its causes are manifold. This article provides empirical evidence on the importance of price rigidity in the grocery-retailing sector and on the role of some major...