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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of regional science 33 (1993), S. 0 
    ISSN: 1467-9787
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: . Real variable analysis has een used to great benefit in a variety of classical problems in location theory. In this paper we explore basic complex variable techniques in one formulation of the obnoxious location problem. A general definition of center points is first given and used to formulate several alternate versions of the obnoxious location problem. A logarithmic transformation is then used to demonstrate some equivalences between these families of distinct location problems (defined via center points). A prototype logarithmic potential function which results from this formulation is then investigated, and it is demonstrated that the extremal solutions with this objective reside on the boundary of its domain of definition. An application using zero- and one-dimensional centers is discussed, and a generalization to the spatial obnoxious problem is also briefly examined. We define a zero-dimensional center as a critical point of the logarithmic potential function, and it is shown that these centers are equivalent to the solutions of the Complex Moment Problem.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Growth and change 22 (1991), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: This article provides a comparative analysis of factors influencing the out-of-state export decisions of establishments within selected groups of services-producing and manufacturing industries. Data were gathered through a mail survey of establishments located in both rural and urban areas of five Midwestern states. The proportion of sales exported was specified as a function of establishment and location characteristics and estimated using Tobit analysis. Results of the study indicate that both establishment and location characteristics are important predictors of the export decision and confirm that establishments in some services-producing industries are able to enter and compete in out-of-state export markets. Similar factors were found to influence the export decisions of services-producing and manufacturing establishments. Results suggest that services-producing establishments in the group of industries may not be footloose with respect to locational choices.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK and Boston, USA : Blackwell Publishing Ltd
    International journal of selection and assessment 11 (2003), S. 0 
    ISSN: 1468-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: The construct meaning of assessment center evaluations is an important unresolved issue in I/O psychology. This study hypothesized that Cognitive Ability and personality traits are primary correlates of evaluators’ overall assessment ratings (OARs). Meta–analysis results based on 65 correlations indicate the following mean construct–level correlations with OARs: .67 for Cognitive Ability, .50 for Extraversion, .35 for Emotional Stability, .25 for Openness, and .17 for Agreeableness; yielding a multiple R of .84. These findings support our hypothesis and cast light on the construct meaning of assessment center evaluations.
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Growth and change 9 (1978), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 39 (1993), S. 0 
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper focuses on three questions: (1) Was mobility within the income distribution in the 1980s different from the 1970s? (2) Is there as much mobility when some measure of permanent income is used? and (3) Does movement within the income distribution imply real income changes'? Income mobility between 1969 and 1976, and between 1979 and 1986 is examined using real family income from the Panel Study of Income Dynamics. The results show that there is considerable movement within the income distribution when both annual and permanent income is used. This movement, however is generally not very great in either direction.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 14 (1967), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Eight new species of Trichodina are described from freshwater fishes of the Southeastern U.S.: T. davisi from Roccus saxatilus (Walbaum), T. funduli from Fundulus notti (Agassiz), T. globosa from Etheostoma radiosum (Hubbs and Black), T. hoffmani from Etheostoma edwini (Hubbs and Cannon), T. hypsilepis from Notropis hypsilepis Suttkus and Raney, T. microdenticula from Dorosoma petenense (Gunther). T. noturi from Noturus leptacanthus Jordan, and T. salmincola from Salmo gairdneri Richardson. Nine species of Trichodina are redescribed: T. californica, T. discoidea, T. fultoni, T. pediculus, T. platyformis, T. reticulata, T. sp. (?T. nigra), T. tumefaciens, and T. vallata. The name T. pediculus is re-erected for the form that occurs on largemouth bass.Host fish were collected from 36 geographic locations in 10 states (Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, and Tennessee). A total of 939 fish of 46 species was examined for trichodinid parasites.Two methods of impregnating formalin preserved specimens of Trichodina with silver are discussed.A key to the species of Trichodina reported from North American freshwater fishes is given.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 27 (1996), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 13 (1982), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: We use the analytic hierarchy process to analyze the role of subjective factors in decision making as illustrated in the Iran rescue operation. Essentially, we show that a decision maker and that decision maker's advisors may differ in their estimates on whether an action should or should not be taken depending on what intangible factors the leader holds as personally important, factors that the others would not necessarily include in their thinking-a serious point for which we provide a particularly effective methodology.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 23 (1992), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: The nucleolus method has been suggested in the literature as a means for accounting decision makers to allocate joint costs in situations where entities share a common resource. The nucleolus has the advantage, vis-à-vis other methods, of maximizing the benefit to the least-well-off entity or groups of entities, and therefore reducing the possibility that one or more entities may desire to withdraw from the sharing arrangement. The nucleolus is basically a linear programming model. Because of its formulation, the nucleolus may yield multiple optimal solutions. No reformulation of the nucleolus seems to exist to overcome this problemThe minimum total propensity to disrupt (MTPD) is suggested as an extension of the nucleolus to identify unique values for allocations with multiple solutions. The MTPD, while exhibiting deficiencies as a stand-alone method, is similar in overall objective to the nucleolus and its mathematical function possesses a unique minimum. It is therefore the logical method for identifying a unique nucleolus solution. The use of the MTPD extension is critically examined through a representative application.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 18 (1987), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Decision making has the objective of finding the best alternative or set of alternatives by considering a number of goals, objectives, criteria, competitors, and other important factors. The analytic hierarchy process is a decision aid used to assist a decision maker in sorting out the complexity of a decision problem and making use of his or her judgments. A decision maker must be assured that the arithmetic operations of any such decision process are the right ones—that they surface the correct ranking and values of the alternatives and preserve or alter ranks appropriately when new alternatives are added or deleted. In this paper it will be shown that with absolute measurement, rank always is preserved, with relative measurement, rank changes with nspect to scveral criteria only because of the structural dependence (involving both numbers and measurements) of criteria on alternatives. A discussion of the effect on rank of replicas and near replicas of the alternatives also is given.
    Type of Medium: Electronic Resource
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