Knowledge is the only instrument of production that is not subject to diminishing returns.


Journal of Political Economy (Oct., 1927)

J. M. Clarke Quotes

Knowledge is the only instrument of production that is not subject to diminishing returns.

Knowledge is the only instrument of production that is not subject to diminishing returns.

Knowledge is the only instrument of production that is not subject to diminishing returns.

Knowledge is the only instrument of production that is not subject to diminishing returns.