TY - CPAPER SN - 1905593422 AU - Albers, Sönke AU - Bielecki, André T1 - Measuring the Efficiency of Pharmaceutical Sales Representatives using Stochastic Frontier Analysis T2 - Marketing landscapes. A pause for thought ED - Perks, Keith J. ED - Shukla, Paurav PY - 2008 CY - Brighton PB - University of Brighton SP - on CD-ROM C7 - Proceedings of the 37th EMAC Conference C1 - Brighton, UK C4 - 27-30 May M4 - Citavi ER -