JEFAS Vol. 15 Nº 29 (2010)

URI permanente para esta colecciónhttps://hdl.handle.net/20.500.12640/4116

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    La investigación sobre el marketing relacional: un análisis de contenido de la literatura 2007-2008
    (Universidad ESAN. ESAN Ediciones, 2010-12-30) Wakabayashi, José Luis
    The purpose of this article is to perform a literature review on Relational Marketing, to prepare a content analysis of it for classification and to provide to Marketing academics and practitioners with a bibliography by subjects. A search on Relation-al Marketing articles was performed in 55 specialized journals. Each article was taken as a unit of analysis. The classification of the units in excluding categories was prepared by two independent researchers to confirm the validity of the classification. The analysis of content considered five excluding categories: objectives, constructs, instruments, industrial applications and subjects for the years 2007 and 2008. The study, at the same time, classifies the articles according the criteria of region, region and studied industry for these years. The classification for industries implied reordering all the authors of the reviewed texts according to universal criteria of codification of economics activities CIIU.
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    La frontera eficiente y los límites de inversión para las AFP : una nueva mirada
    (Universidad ESAN. ESAN Ediciones, 2010-12-30) Ortíz, Diana; Chirinos, Miguel; Hurtado, Yvonka
    This article provides a re-estimation of the pension plan funds administrators’ efficient frontier. The goal here is two-fold: on the one hand it measures the effect of investment limits imposed by regulators. Unlike previous studies, here the short positions are not limited; this assumption is based upon the completeness of the financial markets: when the markets are completed, any financial instrument may be replicated. On the other hand, this article measures the performance of the pension plan funds. In earlier works, the performance was measured as the difference between the profitability in the frontier and the one obtained at the level of a given risk; here the return is measured as the relationship of optimal risk profitability and the one obtained. The main conclusion drawn is that regulation supports the high level of risks taken by the administrators.