We measure the efficiency of regional innovation systems (RIS) in Germany by means of a knowledge production function. This function relates private sector Research and Development (R&D) in a region to the number of inventions that have been registered by residents of that region. Two approaches...

Governance- und Wettbewerbstheorien -- Institutionell-strategische Analyse des europäischen Profifußballs -- Systemvergleich der Bundesliga und Premier League -- Empirische Erfolgs- und Effizienzanalyse der Big-5-Ligen -- Profifußball zwischen Kultur und Kommerz.