We investigate the order of integration of aggregate wage, price and productivity measures for the USA. Our investigation differs from previous studies as we employ recently developed tests that allow, under the alternative hypothesis, for structural change between periods in which the data are...

This paper aims to discuss the theory of productivity growth and its empirical applications, several authors emphasize the impact of real exchange rate devaluation on productivity. The main research question is: does the real exchange rate have a positive or negative impact on productivity...