Take away the jobs and dignity and this is what happens
SAM can do the work of 6 masons each day, he never requires a break, benefits or a paycheck.
Each SAM can be rented at a monthly cost of ~$3,300 according to The Sun. With an average efficiency of 3,000 bricks per day, that breaks down to about 4.5 cents per brick. At $15 per hour wage rate, plus benefits, and a daily efficiency of about 500 bricks brings the human labor cost equivalent to roughly 32 cents per brick, or a little over 7x.
Of course, SAM can't completely eliminate the need for masons on work sites just yet, as human assistance is still needed to load bricks and mortar into the system and to clean up excess mortar from joints after bricks have been laid. That said, Construction Robotics estimates that overall labor costs for bricklaying projects can be reduced by at least 50%.
Because there are relatively few robots in the US economy, the number of jobs lost due to robots has been limited so far (ranging between 360,000 and 670,000 jobs, equivalent to a 0.18-0.34 percentage point decline in the employment to population ratio). However, if the spread of robots proceeds as expected by experts over the next two decades (e.g., Brynjolfsson and McAfee, 2012, especially pp. 27-32, and Ford, 2016), the future aggregate implications of the spread of robots could be much more sizable. For example, BCG (2015) offers two scenarios for the spread of robots over the next decade. In their aggressive scenario, the world stock of robots will quadruple by 2025. This would correspond to 5.25 more robots per thousand workers in the United States, and with our estimates, it would lead to a 0.94-1.76 percentage points lower employment to population ratio and 1.3-2.6 percent lower wage growth between 2015 and 2025.
Of course, the impact is even more dramatic when you consider that the job losses are heavily concentrated in a handful of industries. The automotive industry employs 39% of existing industrial robots, followed by the electronics industry (19%), metal products (9%), and the plastic and chemicals industry (9%).
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