Werner Mueller-more politician than chief executive-is the boss of Germany's oddest conglomerate, the aptly named RAG. It is indeed a rag-bag of businesses including coal-mining, power-generation, chemicals and property. What is more, Mr Mueller, a former federal economics minister, is determined, against the advice of most bankers and potential investors, to list RAG's shares on the Frankfurt stock exchange some time next year. His plan is motivated both by vanity and also by political calculations reaching deep into Germany's industrial past.
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