In the abstract world of American economists, equations run both ways; they believe that by changing the sign of a variable from plus to minus or from minus to plus or the price and quantity of x or y, the direction of historical movement can be reversed.

— Robert Gilpin The Political Economy of International Relations (1987)

More quotes by Robert Gilpin

The Political Economy of International Relations (1987)

The Political Economy of International Relations (1987)

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The Political Economy of International Relations (1987)

The Political Economy of International Relations (1987)

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