I. An importing country may sometimes find it profitable to act as a monopsonist, 229. — II. Case (1) : no foreign trade, 230. — Case (2) : entire home consumption imported, 230. — Case (3) : home consumption supplied by imports and domestic production, 233. — III. Gain of the monopsonist country is less than the loss of the exporting country, 236.— Comparison with Barone's reasoning, 238. — IV. Assumptions made, methods pursued, criteria favored, 239. — V. Summary of conclusions, 243.