نتایج جستجو برای: postal service
تعداد نتایج: 333734 فیلتر نتایج به سال:
The Postal Accountability and Enhancement Act of 2006 (PAEA) fundamentally altered the U.S. Postal Service by introducing enhanced pricing flexibility, profit incentives, and potential antitrust liability. PAEA also mandated a change from breakeven, cost-of-service regulation where revenues must equal costs over time to price cap regulation. The Postal Service can now introduce new or modify ex...
J. K. Hwang,1 A. V. Ramayya,1 J. H. Hamilton,1 J. O. Rasmussen,2 Y. X. Luo,1,2 D. Fong,1 K. Li,1 C. Goodin,1 S. J. Zhu,1,3 S. C. Wu,2 M. A. Stoyer,4 R. Donangelo,5 X.-R. Zhu,6,7 and H. Sagawa6 1Physics Department, Vanderbilt University, Nashville, Tennessee 37235, USA 2Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA 3Department of Physics, Tsinghua University, Beijing 100...
1Museo de Zoologı́a “Alfonso L. Herrera,” Facultad de Ciencias, Universidad Nacional Autónoma de México, Apartado Postal 70-399, D.F. 04510, Mexico; 2Natural History Museum and Biodiversity Research Center, University of Kansas, Lawrence, Kansas 66045, USA; 3Departamento de Biologı́a Evolutiva, Instituto de Ecologı́a, A. C., Apartado Postal 63, Xalapa, Veracruz 91000, Mexico; and 4Department of Bi...
J. J. De Groote, Mauro Masili, and J. E. Hornos Instituto de Quı́mica de Araraquara, Universidade Estadual Paulista, Caixa Postal 355, 14 801-970 Araraquara, SP, Brazil Department of Physics and Astronomy, The University of Nebraska, 116 Brace Laboratory, Lincoln, Nebraska 68 588-0111 Instituto de Fı́sica de São Carlos, Universidade de São Paulo, Caixa Postal 369, 13 560-970 São Carlos, SP, Brazi...
This paper considers a public provider’s strategic use of rationing in a market served by both public and private providers. Such a ‘mixed’ market structure is common in many industries such as health care, telecommunication, postal service, and public utilities. The technology in the private sector exhibits increasing returns: each firm can expend ‘effort’ in the form of fixed cost to reduce t...
The increasing importance of service sector has caused greater interest of both scientific community and practitioners in examining new service development (NSD) and understanding the necessary conditions of successful service innovation. Significant changes happened in the Postal sector during the last decades forces postal organizations to think in terms of service innovation, quality of serv...
in this study, a hierarchical hub location problem by considering different modes of transportation and maximum allowed delay is investigated. this study is done on iran’s express postal service with 2 days maximum delay in delivery considering ground and airport hubs. the problem is of the type of location and single allocation for collection, transfer and distribution of the shipments. all th...
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