Figure 3: Fraction of offers rejected in the ultimatum game, according to offer size and the number of Responders 100 Fraction of offers rejected (%) One Responder Two Responders 75 50 25 0 0 35 40 45 50 Fraction of the pie offered by the Proposer to the Responder(s) (%)Figure 2: Robot prices and 220 Labor costs labour compensation in 200 180 manufacturing in the US 160 (1990=100) 140 120 100 Source: Tilley, Jonathan, "Automation, 80 Robotics, and the Factory of the Future", 60 September 7, 2017, Mckinsey & Company. 40 Robot prices 1990 1995 2000 2005 2010