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In: World Journal of Surgery, 2011, vol. 35, no. 4, p. 905-910
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In: Clinical Infectious Diseases, 2015, vol. 61, no. 4, p. 619-622
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In: Transportation research part A: policy and practice, 2015, vol. 82, p. 158-168
The purpose of this study is to assess differences in the levels of cost efficiency of bus lines operated under competitively tendered contracts and performance-based negotiated contracts. Following the revision of the Swiss railways act in 1996, regional public authorities were given the choice between two different contractual regimes to procure public passenger transport services. We...
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