The Change in Leadership and Continuity in an Enterprise -- On the Re-Discovery of the Entrepreneur in Economic Policy Discussion -- The Banks and the Steel Industry in the Ruhr. Developments in Relations from 1873 to 1914 -- The Entrepreneur, the Family and Capitalism. Some Examples from the Early Phase of Industrialisation in Germany -- The Social Integration of Entrepreneurs in Westphalia 1860-1914 -- The World Economy in the 20th Century. Continuity and Change.