Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Marks per 100 Kilograms, Not Seasonally Adjusted

Frequency:  Monthly

Series Has Been Subdivided Into Two Variables: (1)-- Original Data, 1879-1905; (2)-- Original Data, 1904-1935. Data Refers To The Following Types Of Copper -- 1879-1905: Mansfeld Copper, Berlin; 1904-1914: Electrolyte I, American, Berlin; 1919-1935: Electrolyte, Wirehare, Berlin. Source: 1879-1891:"Monatshefte Zur Statistik Des Deutschen Reich", Except 06/1887-02/1888: Otto Schmitz, "Beruegnung Der Warenpreise"; 1892-1919, 1924- 1934:"Vierteljahishefte Zur Statistik"; 1920-1923, 1935:"Wirtschaft Und Statistik."

This NBER data series m04016a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04016a