Methodical differences of productivity indicators by international comparison

The productivity is possible measure by different defined type of productivity indicators with considerable differences’ in results. It is impossible to define, which one of definitions of productivities is the best. It depends on purpose and analysis’s range. For comparison productivity at the national level is better to use aggregates at constant prices, which show us the level and growth rate of physical product. For comparison productivity at the international level is better to use aggregates in purchasing power standard. This result is influence not only own performance, but also performances others comparison states. From the point of view employment, is optimal indicator for calculation of productivity working hours. This indicator removes differences at time work in single member states EU.