Sorry, neoliberals: Inequality is driven by greed, not technology

Sorry, neoliberals: Inequality is driven by greed, not technology

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His argument echoes the conventional wisdom in economics, formulated by Lawrence Katz and Claudia Goldin, that skill-biased technological change can explain most of the increase in inequality. The premise is that technological developments have favored college-educated workers over unskilled labor, thereby increasing inequality. Since it was formulated, SBTC has drawn criticism. A 2002 paper by David Card first drew attention to potential holes in the explanation: a short period of stabilization in wage inequality in the 1990s during a technological boom and the failure to explain wage gaps between men and women as well as blacks and whites. A 2012 paper by Daron Acemoglu and David Autor noted other failures in the theory, namely that it could not explain the divergence in incomes that had occurred among skilled workers and why the real median wages could decline during a period of increasing productivity.

Now, Lawrence Mishel, Heidi Shierholz and John Schmitt have released a new study that questions SBTC as an explanation for increasing wage inequality. Mishel et al. argue that “job polarization,” the premise that more jobs have been created in low-wage sectors and high-wage sectors, thus driving wage inequality, doesn’t actually explain the problem. On the one hand, high-wage occupations have not significantly expanded their share of the workforce since 2000. On the other, low-wage jobs have not increased as a total share of employment since 1979.