This paper investigates the time-path of efficiency and productivity change in the case of the Romanian cement industry … catch up in the level of productive efficiency. -- Productivity change ; productive efficiency ; stochastic frontiers ; time … 1966-1989. The analysis is based on different specifications of stochastic frontier models. The efficiency scores and the …

relationship between innovation and productivity in Finland, Norway and Sweden at the firm level. Although these countries enjoy a … high degree of political, social and cultural similarities, they differ largely from one another in their productivity … productivity growth. Results reveal major discrepancies between the estimated firm-level results and the aggregated figures …