Department of Economics Working Papers,
Vienna University of Economics and Business, Department of Economics

Abstract: Over the past decades, labor productivity and per capita GDP have increased steadily, while real wages for most workers have remained stagnant. This development challenges conventional economic insights according to which the remuneration of a production factor is determined by its productivity. Augmenting an otherwise standard production function with industrial robots as a substitute for workers allows to reconcile the two trends. If workers are compensated according to their marginal product, wages may decrease when robot use intensifies, whereas output and measured labor productivity both increase. Using data on labor input, physical capital input, and industrial robot use in the United States, I show that a sizable part of the observed wedge between wages and labor productivity can be explained using such a framework.

Keywords: automation, productivity, wage growth, inequality

JEL-codes: J31; O11; O33; O40 December 2023

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