<em>Public and private investment in R&D: complementarity and interaction with productivity growth</em> - The purpose of this paper is to analyze the relationship between public and private research funding, and productivity growth. Data from Eurostat are used. The methodology applies econometric models...

Agricultural system has a significant application of technology innovations, such as agricultural tractors, which are the most important and widespread machine in this industry. The behaviour of tractors’ users, concerning the introduction and adoption of innovative characteristics, has...