I So intimate has been the contact, at each stage of their development, between the theory of international trade and economic theory in general, that exploration in the history of the theory of international trade is well worth while, for the sake of general economic theory, as well as for its own sake. Up to the present, however, works on the historical side of the theory of international trade which were at once scholarly and comprehensive have been completely lacking. Beyond cursory and often ununderstanding allusions in the general treatises on the history of economic thought, and a few monographs, mostly by German scholars, on particular writers or restricted periods, nothing worthy of note dealing with the history of the theory of international trade was available until the appearance of the book which is the subject of the present review.1 Angell's study, though comprehensive, is not complete. Tariff theory; the character, the measurement, and the division of the gains from international trade; the relation of the theory of international values to general psychological theories of economic value, whether subjective cost theories, or utility theories, or eclectic combinations thereof-all of these are either deliberately excluded from the scope of the study or are summarily disposed of. Foreign exchange theory is dealt with only in its most general and theoretical aspects. There is no discussion of the problems connected with the measurement of international balances, or of the differences between the various types of balances. But what remains is still of impressive proportions. Angell, moreover, makes his examination of the history of the theory a preliminary to an appraisal of current doc-
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