His thesis in mechanical engineering (1965, ETH Zurich) bore the title: "Der längerfristige Exportkredit als betriebswirtschaftliches Problem des Maschinenbaues (untersucht am Beispiel der Bundesrepublik Deutschland)" (The longer term export credit as business problem of mechanical engineering, using the example of the Federal Republic of Germany). Was awarded a "Dr. sc. techn." for it.