Piketty,Marxian Political Economy,and the Law of the Falling Rate of Profit

This article examines two views about the capitalism that lies at the heart of modern industrial society. We owe to Marx and Piketty two large‐scale, hugely important, but very different studies of the nature of modern industrial capitalism. In Capital, Marx provides a complex analysis of the anatomy of modern industrial capitalism, which he regards not as stable but rather as over time unstable and tending toward internal collapse on several grounds, of which the most important is apparently the so‐called tendency of the falling rate of profit. The falling rate of profit supposedly threatens its continued existence. Piketty criticizes the latter view in the context of his theory of contemporary capitalism. The article suggests, first, that Marx's view of the falling rate of interest is empirically implausible but Piketty's rival claim is empirically plausible. Second, a successful transition from capitalism to communism on Marxian grounds is unlikely in practice. And finally, despite Marx's intentions, it is unlikely to realize itself in practice, and is in this respect a traditional theory.