Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Marks per Metric Ton, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables --(1)-- Original Data, 1879-1919 (2)--Original Data, 1913-1936. Data Are Monthly Averages For "Ruhr Fettkohle" (Bituminous Or Household Coal). For The Years 1879-1919, They Are The Wholesale Prices Of Ruhr Coal At Essen. For The Years 1913-1935, They Are The Wholesale Prices Of Rhine Westphalia Coal At Mine, Essen. Data For 1913-1919 Are Given In Paper Marks. No Prices Are Available For May-August, 1889 Because Ruhr Miners Were On Strike. No Mention Made Of Coal Tax Imposed 08/1917. Source: Monatshefte Statistik Des Deutschen Reichs, December 1879 (Altes Folge #37) P. 119 And Annually Thereafter Through 1891; Veirhljahrshefle Zur Statistiks, 1893 And Thereafter, For Data 1892-1919; 1924- 1935. 1913-1923 Data Are From Wirtschift Und Stat. 1925 "Tablen Zur Geldent Wertung" P. 26