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- Creator:
- Bardhan, Indranil, Lin, Shu, and Mithas, Sunil
- Description:
- This paper develops a conceptual model to study the role of outsourcing strategies and plant-level information technology (IT) application infrastructure in the outsourcing of production and support business processes, as well as their subsequent impact on overall plant performance. We validate this model empirically using cross-sectional survey data from U.S. manufacturing plants. We find that some IT applications are more effective at enabling the outsourcing of business processes than others. For example, the implementation of enterprise management systems is associated with the outsourcing of both production and support processes, whereas operations management systems are not associated with the outsourcing of plant processes. Plants with a low-cost outsourcing strategy are more likely to outsource support processes than plants with a competency-focused outsourcing strategy. However, both cost- and competency-based strategies have a positive and similar impact on the outsourcing of production processes. In terms of implications for plant performance, our findings indicate that the outsourcing of production and support processes is associated with higher gross margins. Although plant IT infrastructure is positively associated with favorable on-time delivery rates, there is no positive association between the incidence of plant outsourcing and on-time delivery rates. These results have implications for crafting plant-level outsourcing strategies and for investments in IT systems to facilitate the outsourcing of business processes for enhanced plant performance.
- Resource Type:
- Article
- Identifier:
- Publisher Version: http://dx.doi.org/10.1111/j.1937-5956.2007.tb00293.x
- Campus Tesim:
- Fresno
- Creator:
- Singleton, Douglas and Macdougall, James
- Description:
- Stokes' theorem is investigated in the context of the time-dependent Aharonov-Bohm effect -- the two-slit quantum interference experiment with a time varying solenoid between the slits. The time varying solenoid produces an electric field which leads to an additional phase shift which is found to exactly cancel the time-dependent part of the usual magnetic Aharonov-Bohm phase shift. This electric field arises from a combination of a non-single valued scalar potential and/or a 3-vector potential. The gauge transformation which leads to the scalar and 3-vector potentials for the electric field is non-single valued. This feature is connected with the non-simply connected topology of the Aharonov-Bohm set-up. The non-single valued nature of the gauge transformation function has interesting consequences for the 4-dimensional Stokes' theorem for the time-dependent Aharonov-Bohm effect. An experimental test of these conclusions is proposed.
- Resource Type:
- Article
- Identifier:
- Publisher version: http://dx.doi.org/10.1063/1.4869324
- Campus Tesim:
- Fresno
- Creator:
- Worthy, B., Hernández-Baz, Fernando, González, Jorge, and Andrade-C., M. Gonzalo
- Description:
- El Instituto de Ciencias Naturales de la Universidad Nacional de Colombia, Bogotá, es un importante depósito de objetos y organismos que forman parte de la historia general y natural de este diverso y gran país Sudamericano. Durante la reciente conservación de polillas depositadas en la colección entomológica del museo, encontramos un pequeño grupo de polillas de taladradores gigantes (Castniidae). Estos incluyen once taxones pertenecientes a tres géneros, de acuerdo a estudios recientes sobre la taxonomía de esta familia Neotropical. La mayoría de los ejemplares presentan información detallada de captura y, salvo algunas excepciones, están en muy buen estado de conservación. En este trabajo presentamos algunos de los fondos históricos y comentarios generales sobre los taxones de Castniidae conservados en este museo. and The Institute of Natural Sciences of Colombia’s National University, Bogotá is a repository of objects and organisms that are part of the general and natural history of this megadiverse South American country. During a recent curation of moths deposited in the entomology collection of the museum we came across a small group of giant butterfly-moths (Castniidae). These included eleven taxa in three genera, according to a recent taxonomy of this Neotropical family. Most specimens have detailed collecting information, and with some exceptions, they are in good shape and have been well maintained. We provide herein some historical background about the museum as well as general comments on the Castniid taxa under the museum’s care.
- Resource Type:
- Article
- Campus Tesim:
- Fresno
- Creator:
- Clary, Carter D., Nef, Clyde E., Deal, Andrew S., Erke, Keith H., Dokoozlian, Nick K., Obenauf, Gary L., Briar, Karen A., and Petrucci, Vincent E.
- Resource Type:
- Text
- Identifier:
- 1983_14; 1985_3, CALRAB-California Raisin Advisory Board: Research Reports- 1983, Mechanical Removal of Raisin Damaged Raisins, RAI 3.10; MISC 85.1
- Campus Tesim:
- Fresno
- Creator:
- Hall, Raymond E. and D0 Collaboration
- Description:
- We present the results of a search for leptoquark (LQ) pairs in (85.2 +/- 3.7) pb(-1) of p (p) over bar collider data collected by the D0 experiment at the Fermilab Tevatron. We observe no evidence for leptoquark production and set a limit on sigma(p (p) over bar -->LQ (LQ) over bar --> nunu + jets) as a function of the mass of the leptoquark (m(LQ)) . Assuming the decay LQ --> nuq, we exclude scalar leptoquarks for m(LQ) < 98 GeV/c(2), and vector leptoquarks for m(LQ) < 200 GeV/c(2) and coupling which produces the minimum cross section, at a 95% confidence level.
- Resource Type:
- Article
- Identifier:
- Publisher version: dx.doi.org/10.1103/PhysRevLett.88.191801
- Campus Tesim:
- Fresno
- Creator:
- Hall, Raymond E. and D0 Collaboration
- Description:
- We determine the strong coupling constant alpha(s) and its energy dependence from the p(T) dependence of the inclusive jet cross section in pp collisions at s=1.96 TeV. The strong coupling constant is determined over the transverse momentum range 50 < p(T)< 145 GeV. Using perturbative QCD calculations to order O(alpha(3)(s)) combined with O(alpha(4)(s)) contributions from threshold corrections, we obtain alpha(s)(M-Z)=0.1161(-0.0048)(+0.0041). This is the most precise result obtained at a hadron-hadron collider.
- Resource Type:
- Article
- Identifier:
- Publisher version: dx.doi.org/10.1103/PhysRevD.80.111107
- Campus Tesim:
- Fresno