However, much of the data was generated by Kendrick who used an explicit system of national production accounts. These include measures of output, input and productivity for national aggregates and individual industries. In Solow s article Technical Change and the Aggregate Production Function he identified technical change with shifts in the production function. Experts think this is caused by business cycle forces affecting the demand and supply of labor. The swings in the quantity of labor affect the productivity fluctuations. Per capita income growth Economic textbooks declare that productivity growth and real wages growth are equal. By this assertion, it would seem that productivity growth is equal to the growth of real per capita income. Moreover, the motivation of fear was strong. People were worried that the cutbacks were just the beginning and that more layoffs were soon to follow. In an effort to keep their jobs, the people worked harder than before to at least put on a picture that they are worth keeping as employees. Negative motivations On the other hand, both of these motivating factors are unfortunately short-term situations. Thus, productivity is still a necessity in this important place. You need to be productive so you could accomplish many tasks that pertains to your children and to your hobbies. You might also have home-based earning activities for extra income. Organizing the home could be tedious. It could entail becoming meticulous. It uses the group technique to establish consensus about what and how productivity should be measured. The third system is designed to evaluate various productivity measures and decide which are the most important. It also allows the combining of dissimilar productivity measures. Other techniques There were other researchers who use the group technique. Productivity, Efficiency And Effectiveness According to Currie (1972), productivity is the quantitative relationship between what we produce and the resources that we use. Smith and Beeching added: The volume of output which is achieved in a given period in relationship to the sum of the direct and indirect effort expended in its production.