8vo, pp. vi,  contents,  blank, 104; title browned, with some marks elsewhere; original printed wrappers, with the printed author’s dedication ‘Überreicht vom Verfasser’ at head.
US $905 €736
First edition, a remarkably clean copy, of ‘one of the most compendious of the early statements of the Austrian views on methodology’ (Batson). The Austrian economist Emil Sax (1845–1927) is noted today for extending the marginal theory of value to cover public finance and transport.
Batson, p. 13; Menger, col. 316f. Not in Mattioli.