The main contribution of this work consist on studying sales behaviour and their relationship with local market conditions like labor market indicators through a time series principal component analysis. We study the correlation structure of a large database on prices and found that all product...

This paper studies the empirical performance of a widely used model of nominal rigidities: the Calvo model of sticky goods prices. We describe an extended version of this model with variable elasticity of demand of the differentiated goods and imperfect capital mobility. We find little evidence...