The Technological Argument of the Stagnation Thesis
I. Why the marginal efficiency of capital tends to be low in "mature" economies, according to the stagnation doctrine: less room for extensive growth, 638; institutional rigidities, 639; technological and organizational factors, 640.—II. "Deepening" vs. "widening" of capital during the 'twenties, 642. — Grounds for holding that innovations during the nineteenth century led to a considerable "deepening" of capital, 646. — Further criticism of the technological argument, 648. — Conclusions, 651.