Multiplicative Error Models (MEM) can be used to trace the dynamics of non–negative valued processes. Interactions between several such processes are accommodated by the vector MEM and estimated by maximum likelihood (Gamma marginals with copula functions) or by Generalized Method of Moments....

This study analyses, through cross-section estimation methods, the influence of spatial effects in productivity (product per worker), at economic sectors level of the NUTs III of mainland Portugal, from 1995 to 1999 and from 2000 to 2005 (taking in count the data availability and the Portuguese...

The paper addresses the issue of dynamic relationships between environment, health and growth. Its aim is to show that the dynamic of the three variables is very difficult to predict, and depends on the value of key parameters: nonetheless the paper tries to show that there is probably, at least...

Il divario nel livello di sviluppo economico fra i paesi del mondo (tradizionalmente misurato dal livello del prodotto reale per addetto) e' aumentato in modo significativo a partire dagli anni '70. Questo lavoro, attraverso un esercizio di development accounting, metodologia ispirata al...

The purpose of this paper is to analyze the relationship between public and private research funding. Data from Eurostat are used. The methodology applies econometric models based on regression analyses. The main results are: public R&D expenditure is a complement for private R&D one, but the...

The paper explores into the empirical estimates of potential output currently produced by international economic institutions. As for the theoretical foundations of the notion, the paper endeavours to show how the shift from the Keynesian notion of potential output as a ceiling on actual...

In questo lavoro si investiga il nesso finanza-crescita aggregata in Italia nel periodo 1965-2002. Dopo una breve rassegna della letteratura teorico-empirica, il lavoro riporta i risultati di una indagine basata su regressioni di crescita in cui fattori come il tasso di investimento, il grado di...

The purpose of this paper is a comparative analysis of economic and technological performances of different countries. Data from Eurostat are used. The methodology applies descriptive statistics, correlation, regression and cluster analyses. The main results are: the best economic performance...