We conduct a regional analysis of the relationship between market concentration and price dynamics in the grocery retail sector, focusing on a sample of five categories of goods belonging to the 12 COICOP aggregation and on a panel of countries that includes Germany, Spain, Finland, Italy,...

High-speed Internet, or broadband, access is an essential infrastructure that has been proven to stimulate competition, productivity and growth and it is considered the engine of the so called knowledge-information economy. In this paper, we first provide a technical survey of the standard...