Erik Bengtsson

Universitetslektor

What Determines the Capital Share over the Long Run of History?

Författare

Erik Bengtsson
Enrico Rubolino
Daniel Waldenström

Summary, in English

This paper analyzes the determinants of the labor-capital split in national incomefor 20 countries since the late 1800s. Our main identification strategy focuseson unique historical quasi-experimental events: i) the introduction of universalsuffrage, ii) close election wins of left-wing governments, iii) decolonization, iv)unionization shocks, and v) wars. We also run instrumented panel regressions.Our findings show that the capital share decreased in response to radical institu-tional and political shifts, such as the introduction of universal suffrage in the early1900s, the undoing of colonialism and the implementation of redistributive policiesduring the post-war period. By contrast, the capital share increased following theerosion of trade unionism since the 1980s. Wars, despite destroying the capitalstock, generated windfall profits that increased the capital share.

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