1,721,217 research outputs found

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Environmental Taxes and Green Growth

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    Providing the right price incentives is key to stimulating green growth. This report discusses how to assess tax options in the context of energy and climate policy and offers some important lessons about environmental taxes. Solutions that may be cost efficient in the short term do not always contribute to achieving long-term goals. It is challenging to introduce smart environmental taxes that both help to achieve environmental goals and are simple to implemen

    Energie-Investeringsaftrek: Freeriding Binnen de Perken – Verantwoording bij de Policy Brief

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    Deze achtergrondstudie hoort bij rapport "De Energie-Investeringsafrek: Freeriding Binnen de Perken", Vollebergh, H., Jun 2020, Den Haag: Planbureau voor de Leefomgeving. 33 p. (Policy Brief PBL; vol. 3772

    Het beleidsdebat over brede welvaart is prima theoretisch gefundeerd

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    In zijn ESB-bijdrage aan het debat over brede welvaart stelt Bas Jacobs dat dit debat onvoldoende theoretisch zou zijn onderbouwd. Ik laat in dit artikel zien waarom zijn kritiek onterecht is, en geef aan dat het alternatief van een multidimensionale benadering van brede welvaart prima onderbouwd is

    Green Tax Reform: Energy Tax Challenges for the Netherlands

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    This Policy Brief discusses energy tax policy challenges for the Netherlands, against the background of the main trade-off behind green tax reform. Recent estimates of environmental damage in relation to the current energy tax structure in the Netherlands are used to evaluate the tension between green revenue generation and the achievement of green results. The challenge of further green tax reform in the Netherlands is to find an optimal, 'future-proof' balance between generating environmental tax revenues to finance public expenditure and Pigovian taxes to regulate environmental damage

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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