Wikipedia
Methodenstreit (German for "method dispute"), in intellectual history beyond German-language discourse, was an economics controversy commenced in the 1880s and persisting for more than a decade, between that field's Austrian School and the (German) Historical School. The debate concerned the place of general theory in social science and the use of history in explaining the dynamics of human action. It also touched on policy and political issues, including the roles of the individual and state. Nevertheless, methodological concerns were uppermost and some early members of the Austrian School also defended a form of welfare state, as prominently advocated by the Historical School.
When the debate opened, Carl Menger developed the Austrian School's standpoint, and Gustav von Schmoller defended the approach of the Historical School.
(In German-speaking countries, the original of this Germanism is not specific to the one controversy—which is likely to be specified as Methodenstreit der Nationalökonomie, i.e. "Methodenstreit of economics".)