Economists Georg Graetz and Guy Michaels has studied industrial robot of the effect on jobs, wages and productivity in 14 industries and 17 countries. During the period, 1993-2007, the use of robots in industry increased by 150 percent.
– The main reason for the increase is that the robots become so much cheaper. 20-30 years, prices have fallen by 80 percent, says Georg Graetz when he presented the study at a SNS seminar.
Scientists notes that the robots have a clearly positive effect on productivity. But there is a diminishing marginal utility of robot density.
The number of low-skilled jobs has decreased as robotics. But overall, not industrial employment adversely affected.
Germany have rushed from other countries, and by far tops the list among the 17 countries compared in robot density , measured as the number of robots and hours worked. Sweden was second in 1993 but until 2007 lagged behind Germany considerably and become overtaken by both Italy and Belgium.
There is no clear picture of what has happened since 2007, but at that time robots have been developed further and not human-robot collaboration has just begun. New industries automates and others are on the way. One example is health care.
– The service is still great potential for robots, says Georg Graetz.
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