World War I was fought by numerous countries siding together as the Central Powers and, respectively, the Allied Powers. The former established around the German Empire and Austria-Hungary and grew to four allies when the Ottoman Empire in late 1914 and Bulgaria in late 1915 entered the scene;...

This paper contributes to the literature on the weakness of modern pay-as-yougo social security systems in financing pensions by taking a business and economic historical perspective on the issue. It focuses on Prussian Knappschaften (plural of Knappschaft), which provided miners with compulsory...