Should we tax robots? Study suggests a robot levy -- but only a modest one -- could help combat the effects of automation on income inequality in the U.S.

Because robots can replace jobs, the idea goes, a stiff tax on them would give firms incentive to help retain workers, while also compensating for a dropoff in payroll taxes when robots are used.

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Perhaps counterintuitively, the research concludes that after many more robots are added to the economy, the impact that each additional robot has on wages may actually decline.

Read at ScienceDaily