Job polarization is a widely documented phenomenon in developed countries since the 1980s: employment has been shifting from middle to low- and high-income workers, while average wage growth has been slower for middle-income workers than at both extremes. We document 1) that polarization has...

Job polarization the rise in employment shares of high and low skill jobs at the expense of middle skill jobs occurred in the US not just recently, but also in the late nineteenth and early twentieth centuries. We argue that in each case polarization resulted from increased automation, and...

Over the last decades, the United States and other developed countries have experienced profound job polarization whereby employment in high-skill and low-skill occupations increased at the expense of employment in middle-skill occupations. This paper examines the wage effects of job...

Job polarization is a widely documented phenomenon in developed countries since the 1980s: employment has been shifting from middle to low- and high-income workers, while average wage growth has been slower for middle-income workers than at both extremes. We document 1) that polarization has...

Job polarization the rise in employment shares of high and low skill jobs at the expense of middle skill jobs occurred in the US not just recently, but also in the late nineteenth and early twentieth centuries. We argue that in each case polarization resulted from increased automation, and...

Over the last decades, the United States and other developed countries have experienced profound job polarization whereby employment in high-skill and low-skill occupations increased at the expense of employment in middle-skill occupations. This paper examines the wage effects of job...