J. M. Clarke Quote

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


Journal of Political Economy (Oct., 1927)


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.