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Bütikofer, Aline; Gerfin, Michael (July 2009). The economies of scale of living together and how they are shared – Estimates based on a collective household model (Discussion Papers 09-03). Bern: Department of Economics
Gautschi, Thomas; Hangartner, Dominik; Bütikofer, Aline (2007). Traffic Accidents in Switzerland. How Hazardous are "High Risk" Groups? An Analysis on Basis of Police Protocols. Swiss journal of economics and statistics / Schweizerische Zeitschrift für Volkswirtschaft und Statistik, 143(4), pp. 397-424. Bern: Lang
