Is capital a uniform “pool” that can be reshaped into anything, or a delicate, time-structured web of complementary pieces? Paul Cwik traces the question from Menger and Böhm-Bawerk through the great debates with J.B. Clark and Frank Knight, and shows why the answer matters enormously. Because capital is heterogeneous, a fall in consumption need not mean recession—it can mean the economy is lengthening its structure of production to build future growth, a shift the mainstream, assuming capital is homogeneous, simply cannot see.

Recorded at the Mises Institute in Auburn, Alabama, on July 21, 2026.

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