The Clock Slows Down Harry Magdoff DOI: https://doi.org/10.14452/MR-069-05-2017-09_4 Keywords: History, Political Economy Abstract Despite its inherent hazard of excess capacity, capitalism is distinguished by the vast, long-run expansion of its productive forces. How come? To answer this, we need to move from theory to history.Click here to purchase a PDF version of this article at the Monthly Review website. Requires Subscription or Fee PDF (USD 3) HTML Published 2017-10-04 Issue Vol. 69, No. 5: October 2017 Section Reprise Please see here for reprint requests.