"Sets forth the principles determining the purchasing power of money and applies those principles to the study of historical changes in that purchasing power, including in particular the recent change in 'the cost of living,' which has aroused world-wide discussion. This study is of far more than academic interest. Such questions affect the welfare of every inhabitant of the civilized world. At each turn of the tide of prices, millions of persons are benefited and other millions are injured." - Preface to the First Edition. This copy a 1925 New and Revised Edition of the 1911 First Edition. xxiv, [2], 515 pages. Index. Two fold-out tables. Respectful pencil underlining and marginalia primarily to first quarter of book. Library stamp inside front board and upon title page. Binding intact. Average wear to publisher's green cloth brightly lettered in gilt upon backstrip. A sound copy of this classic work. Fisher M-169, Pressman (2e) p.142, Rist p.114, Cohen 178, Batson p.93, Blaug p.78-79, Hutchinson 685, Masui p.1404. ; 8vo.