1,720,957 research outputs found
Technology Adoption and Risk Management in Haitian Farming : A Business Model Perspective for Venture Creation
東京農業大学博士(農学)2024年
La mécanisation agricole : levier de développement de l’agriculture haïtienne
International audienc
La filière maïs en Haïti dans une analyse de compétitivité par rapport au maïs moulu importé : une approche plurielle avec enjeux de croissance de consommation et production du maïs local
Plusieurs marchés agricoles ont été libéralisés en Haïti après 1986, parmi lesquels celui du maïs moulu qui est un produit important dans la consommation locale. Cette libéralisation met en présence sur les marchés du pays du maïs moulu local et du maïs moulu importé qui semblent entrer en concurrence par rapport à la demande du consommateur basée, entre autres, sur les prix et certains attributs physiques des produits qui sont deux éléments de compétitivité de produit pour un consommateur. Sachant qu’un produit local peu compétitif sur le marché aura une faible demande et par conséquent une faible production à l’échelle nationale, nous avons analysé sur certains marchés, dans le cas d’Haïti, la compétitivité du maïs moulu local par rapport à deux marques de maïs moulu importé (Gourmet, importé des États-Unis au moment de l’enquête et Gradoro, importé de la République dominicaine). Cette compétitivité a été analysée du point de vue du prix au bout de la filière et payé par le consommateur et sur la base d’éléments autres que le prix (hors-prix) se rapportant à la qualité des produits comme perçue par le consommateur. Les résultats ont montré que le maïs moulu local haïtien est compétitif du point de vue prix par rapport aux deux marques de maïs moulu importé (Gourmet et Gradoro) sur tous les marchés concernés par l’étude. Cependant, du point de vue hors-prix ou mieux sur la base d’appréciation de qualité par les consommateurs, le maïs moulu local est plus compétitif par rapport à celui importé de marque Gourmet sur tous les marchés situés au plus à 120 km du centre de production (Kans, au Sud-Ouest du pays), mais pas sur les marchés proches du centre d’importation (Port-au-Prince) et situés au plus à 40 km de cette ville, la capitale du pays. Il n’y a pas d’évidence que le maïs moulu local est plus apprécié sur les places de marché que la marque Gradoro importée de la République dominicaine. De plus, le maïs moulu local et celui importé (Gourmet et Gradoro) ne sont pas des produits substituables sur tous les marchés considérés.Several agricultural markets have been liberalized in Haiti after 1986 including the milled corn one selling a product which is important for local consumption. This trade liberalization trend shed light on the existence of two different products (local and imported) which seem to be in demand-based competition in the market places. The consumer’s demand is, among other factors, based on products’ prices and certain physical attributes and both of these represent elements of demand-based competitiveness. Knowing that a lack of competitiveness for a local product will negatively impact on its demand and, consequently, may affect national production, we analyze in a certain number of Haitian market places the demand-based competitiveness of the Haitian milled corn compared to two brands of imported milled corn (Gourmet from the United States at the time of the survey and Gradoro from Dominican Republic). This competitiveness has been analyzed twofold: from the retail price standpoint and from the quality standpoint (quality as perceived by the consumers). The results of the study have shown that the Haitian milled corn is more competitive than the two imported brands Gourmet and Gradoro, as far as price is concerned. However, in terms of quality appreciation by consumers, it is more competitive than Gourmet in all the market places located at most 120 km from the corn production center (Kans, in South-West of the country) but not in those located at most 40 km from the importation center which is the city of Port-au-Prince. There is no evidence that the Haitian milled corn is more appreciated than the imported Dominican brand Gradoro. In addition, the Haitian milled corn and the two imported brands are not substitutes in all the markets considered in this study
Going Beyond Counting First Authors in Author Co-citation Analysis
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
“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
Appropriate Similarity Measures for Author Cocitation Analysis
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
Dispelling the Myths Behind First-author Citation Counts
We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
We have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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