This paper proposes a Bayesian regression model with time-varying coefficients (TVC) that makes it possible to estimate jointly the degree of instability and the time-path of regression coefficients. Thanks to its computational tractability, the model proves suitable to perform the first (to our...

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,...

In the last decade the Italian economy has underperformed compared both with the previous decades and with the main European countries. It is widely acknowledged that this evolution reflects unresolved structural problems, which have become more urgent in view of the major changes in the world...

We analyze the problem of strategic poaching of consultants by clients with particular reference to the business consulting industry. This article presents a market equilibrium in a mixed economy where three categories of agents, consulting groups, client firms and consultants strategically...

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...

We propose a structural model of two-sided matching and a semi-parametric procedure for its estimation that allow to analyze determinants of managers’ compensation such as firm’s and manager’s quality, production technology, bargaining power and inter-temporal preferences. We use the...

In this collection of papers we first analyze the evolution of the Italian food industry and the retail trade sector during the past decade (Chapters 1 and 2). Chapter 3 describes the structure of large retailers and buying groups in Italy. Chapter 4 proposes alternative measures of the degree...

We investigate the empirical relationship between product market competition and prices in the retail grocery sector in the euro area. The study uses micro-data from ACNielsen on chain stores' census characteristics and price levels for a broad variety of products. We construct...