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Gibson, W. (1911) An experimental study in “Elements of the Theory of Statistical Control”, Transactions of the Institute of Economic Affairs, vol. 5, no. 2. Hagelin, T. (1907) “Theoretical and Experimental Considerations of the Problem of the Unintended Consequences of Economic Policy,” Journal of Political Economy, vol. 34, no. 2, pp. Hagelin, T. (1907) “Theoretical and Experimental Considerations of the Problem of the Unintended Consequences of Economic Policy,” Journal of Political Economy, vol. 34, no. 2, pp. Hagelin, T. (1907) “Theoretical and Experimental Considerations of the Problem of the Unintended Consequences of Economic Policy,” Journal of Political Economy, vol. 34, no. 2, pp. 経済政策の意図せざる帰結に関するいくつかの実験的考察」『政治経済学研究』31 巻 4 号，833-85 頁