20 results on '"Yovo, Koffi"'
Search Results
2. Stratégies d’adaptation au changement climatique et production agricole dans la région maritime au Togo
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Yovo, Koffi, primary and Lantomey, Kossi Eddy, additional
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- 2023
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3. Participation in the targeted subsidy program and fertiliser usage in Togo
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Yovo, Koffi, primary and Ganiyou, Ismaila, additional
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- 2023
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4. Impact of Fertilizer Price Subsidy on Agricultural Growth in Togo
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Yovo, Koffi, primary and Ganiyou, Ismaïla, additional
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- 2022
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5. Effet du changement climatique sur la production vivriere au Togo
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Balaka, Manamboba Mitélama, primary and Yovo, Koffi, additional
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- 2022
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6. Does land title increase agricultural investments and productivity? Evidence from Togo
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Yovo, Koffi, primary and Kolani, Lardja, additional
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- 2022
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7. Spatio-Temporal Variation of Evapotranspiration and Its Sensitivity to Climatic Factors in Togo
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Yovo Koffi and Balaka Manamboba Mitélama
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Variation (linguistics) ,Evapotranspiration ,General Earth and Planetary Sciences ,Environmental science ,Sensitivity (control systems) ,Atmospheric sciences ,General Environmental Science - Published
- 2021
8. Effet du changement climatique sur la production vivriere au Togo.
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Balaka, Manamboba Mitélama and Yovo, Koffi
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- *
CROP yields , *FARMS , *FOOD crops , *AGRICULTURAL meteorology , *AGRICULTURAL statistics - Abstract
This paper analyzes the effects of climatic variables on food crop yields at the prefectural level from 1996 to 2016 in Togo. Using the panel‐corrected standard errors method and panel data from departments in charge of agricultural statistics and meteorology, the results show that meteorological variables have various effects on food crops yields, but the negative effects are dominant. In addition, adaptation strategies through agricultural land reallocation have not enabled farmers to improve food crops yields. There is an urgent need for public authorities to implement actions to strengthen farmers' resilience through practice adoption and cultural innovations for adaptation to climate change. [ABSTRACT FROM AUTHOR]
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- 2023
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9. Effect of targeted fertiliser subsidy on poverty reduction in Togo
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Ganiyou, Ismaïla and Yovo, Koffi
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income ,fertiliser ,targeted subsidy ,Food Security and Poverty - Abstract
The reintroduction of innovative forms of input subsidies in sub-Saharan Africa (SSA) following the food crisis of 2008 raises concerns about their effectiveness in the fight against poverty. In this context, this paper examines the effect of the targeted fertiliser subsidy implemented in Togo from 2017 to 2019. For this purpose, the propensity score matching and instrumental variables regression approaches were used to control for potential selection and endogeneity bias. Nationwide cross-sectional survey data covering 2 319 smallholder farmers in Togo suggests that participation in the targeted fertiliser subsidy programme significantly improved beneficiaries’ poverty status through increased income, leading to a decline in poverty incidence, gap and severity. However, the magnitude of the effect is very small compared to that in some other West African countries. Therefore, to enhance the effect of targeted subsidy policy on income and poverty status, there is a need to improve the rate and composition of the subsidy.
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- 2022
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10. Asymmetry and transmission of international price shocks of cocoa and coffee in Togo
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Yovo, Koffi and Adabe, Kokou Edoh
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shock transmission ,international prices ,International Relations/Trade ,Industrial Organization ,asymmetry - Abstract
This study assesses the mechanism of the transmission of international price shocks to producer prices of coffee and cocoa in Togo. A threshold autoregressive (TAR) model was estimated using monthly series of international and producer prices of coffee and cocoa in Togo from 1994 to 2018. The results show that there is asymmetric transmission of international price shocks to producer prices. Domestic prices respond less quickly to international price increase than decreases. The asymmetric price transmission is similar in term of the speed of adjustment for the two commodities. In order to deal with this phenomenon, further investigations need to be done to detect the reasons for the asymmetry in price transmission between domestic and international coffee and cocoa markets.
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- 2022
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11. Demand for Poultry Products and Consumer Preferences in the South Togo
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Yovo, Koffi, primary and LAGNO, Kodjo., additional
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- 2021
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12. Improved Seeds Adoption Among Smallholder Rice Farmers in Togo: The Case of NERICA in the Savannah Region
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Yovo, Koffi, primary and Ganiyou, Ismaïla, additional
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- 2021
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13. Gouvernance et contrat psychologique en contexte clanique : cas de la Société Béninoise d'Energie Electrique (SBEE) et du Conseil National des Chargeurs du Bénin (CNCB), deux entreprises publiques
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Dossou-Yovo, Koffi, Laboratoire interdisciplinaire de recherche en sciences de l'action (LIRSA), Conservatoire National des Arts et Métiers [CNAM] (CNAM), Conservatoire national des arts et metiers - CNAM, Rémi Jardat, HESAM Université (HESAM)-HESAM Université (HESAM), and STAR, ABES
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[SHS.PSY] Humanities and Social Sciences/Psychology ,[SHS.ANTHRO-SE] Humanities and Social Sciences/Social Anthropology and ethnology ,Governance ,Contrat psychologique ,Entreprises publiques ,Psychological contract ,[SHS.PSY]Humanities and Social Sciences/Psychology ,Gouvernance ,Public companies ,[SHS.ANTHRO-SE]Humanities and Social Sciences/Social Anthropology and ethnology ,[SHS.SCIPO] Humanities and Social Sciences/Political science ,Clan ,[SHS.SCIPO]Humanities and Social Sciences/Political science - Abstract
This thesis is an understanding of the recurring transgression of testing the framework of "good governance" imposed by the World Bank, opposite the finding of bad results Beninese public enterprises (former Dahomey). So it tries to answer a question: why are the mechanisms established, procedures and rules constantly violated in the public sector? Answering this question captures the causes of the remoteness of used performance businesses, in this context, from the perspective of socio-economic efficiency, user-customers satisfaction and good use of resources. This research is based on the idea that management practices must be part of the socio-cultural context and mobilizes the notion of clan as providing the basis for the formation of the suppliers and employees psychological contract of public companies in public procurement on the one hand, and employment relationships on the other. This promotes the context of transgressions of "good governance". There has been talk of exploring, SBEE and CNCB, if the clan logic based or not psychological contracts, prone transgressions, what separates these companies from performance.From Interviews conducted with stakeholders in public procurement (suppliers, internal organs award to the company) and employment relations (personal, leaders), operation of the documents collected within companies and narration of observed facts, it appears that the public company is represented as a clan. Also coexist political, ethnic and family clans as the "adoptive paternalism" whose action logics include transgressions involving the misuse of public resources and the dissatisfaction of the users-customers. However, the clan is not exclusive. The perception of public enterprises by the various stakeholders as well as the good faith of people, eager to bring their expertise to get out of unemployment, determine the psychological contracts. It happens, in general, that the psychological contract is subject to rupture, which is the source of great disappointment. This may not be definitive. With a fight of strength, hope or the advent of a new director, their former expectations / promises can be restored, corresponding to a recovery of the psychological contract. The performance of public enterprises is first of all, clanic. But, looking for the satisfaction of physiological needs by honest work is poorly exploited. The remoteness of public enterprises performance is enhanced by a set of converging factors including the clan, company representation as "a godsend to distribute" then search for job security in an unemployment context and particularly the fear of unemployment. On the factors listed above, what are the solutions to the transgressions? - First, the decline of the state of governance of public enterprises through the integration of outside directors, although not participating in their capital. - It is impossible to exclude the clan logic. However, the organizational rules must be implemented and the common goals of performance must be set and achieved together. - Develop the new rules on the principle of inclusiveness, ensure their proper dissemination / internalization and collective monitoring of their implementation. - Focus on work values and contribution to the nation. As perspective, research on the performance of public enterprises is based on the reality of the clan and representations help to better define the objectives to make them feasible., La présente thèse est un essai de compréhension de la transgression récurrente du cadre de « bonne gouvernance », imposé par la Banque Mondiale, face au constat des mauvais résultats des entreprises publiques béninoises (ancien Dahomey). Elle tente donc de répondre à une question : pourquoi les mécanismes, procédures et règles établis sont-ils en permanence transgressés dans le secteur public ? Répondre à cette question permet de saisir les causes de l’éloignement des entreprises de la performance mobilisée, dans ce contexte, sous le prisme de l’efficacité socio-économique, de la satisfaction des clients-usagers et de la rationalisation des ressources. Cette recherche se fonde sur l’idée que les méthodes de gestion doivent s’inscrire dans le cadre socioculturel et mobilise la notion de clan comme servant de base à la formation du contrat psychologique des fournisseurs et des employés des entreprises publiques dans les commandes publiques d’une part et les relations d’emploi d’autre part. Ce contrat psychologique favorise les transgressions du cadre de « bonne gouvernance ». Il a été question d’explorer, à la SBEE et au CNCB, si les logiques claniques fondent ou non les contrats psychologiques, propices aux transgressions, ce qui éloigne ces entreprises de la performance. Des interviews conduites auprès des parties prenantes des achats publics (fournisseurs, organes de passation internes à l’entreprise) et de l’emploi (personnels, dirigeants), de l’exploitation des documents collectés et de la narration des faits observés, il ressort que l’entreprise publique est perçue comme un clan. Aussi, cohabitent les clans politique, ethnique et familial de même que le « paternalisme adoptif » dont les logiques d’action comportent les transgressions entraînant la mauvaise utilisation des ressources publiques et l’insatisfaction des clients-usagers. Toutefois, le phénomène du clan n’est pas exclusif. La perception des entreprises publiques par les différents acteurs de même que la bonne foi de gens, désireux d’apporter leur expertise en vue de sortir du chômage, sont aussi parfois la base des contrats psychologiques. Il arrive, en général, que le contrat psychologique fasse l’objet de rupture, ce qui est à l’origine de grandes déceptions. Cette situation peut ne pas être définitive. A force de lutte, d’espoir ou à l’avènement d’un nouveau directeur, leurs anciennes attentes/promesses peuvent être restaurées, ce qui correspond à une reprise du contrat psychologique. La performance des entreprises publiques est, en premier lieu, clanique en sus de la recherche de la satisfaction de besoins physiologiques par du travail honnête, ce que l’environnement peut corrompre. L’éloignement des entreprises publiques de la performance est donc favorisé par un ensemble de facteurs convergents dont le clan, la représentation de l’entreprise comme « une manne à se distribuer » puis la recherche de la sécurité d’emploi dans un contexte marqué par le chômage. Quelles sont les solutions aux transgressions ? - En premier lieu, le recul effectif du pouvoir politique des entreprises publiques par l’intégration des administrateurs extérieurs, bien que ne participant pas au capital est une solution. - Permettre au conseil d’administration de jouer son plein rôle. - Il est impossible d’exclure les clans et leurs logiques. Toutefois, ils ne devraient pas exister au détriment des intérêts de la collectivité nationale. Ainsi, est-il utile de remettre le travail, l’équité la contribution individuelle et collective au cœur de l’éducation nationale. -Les règles d’organisation existantes pourraient être évaluées, de nouvelles règles élaborées suivant le principe de l’« inclusiveness » puis mises en œuvre. - Assurer leur bonne diffusion/internalisation et la surveillance collective de leur mise en œuvre. - Les objectifs communs de performance devront être définis et atteints ensembles.
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- 2016
14. Strattgie Sectorielle Et Pauvrett : CAS Du Togo (Sectoral Strategy And Poverty: CAS Of Togo)
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Agbodji, Akoete Ega, primary, Johnson, Ablamba Ahoefavi, additional, Abalo, Kodjo, additional, Agbodji, Komlan Dodzi, additional, and Yovo, Koffi, additional
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- 2018
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15. Public Expenditures, Private Investment and Economic Growth in Togo
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Yovo, Koffi, primary
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- 2017
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16. Information Service and Integration of Maize Markets in Togo
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Yovo, Koffi, primary
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- 2015
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17. Structure, Coûts Des Transactions Et Integration Spatiale Des Marches Des Produits Alimentaires Au Togo
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Koffi-Tessio, Egnonto M., Sedzro, Kossi, Tossou, Kokou A., and Yovo, Koffi
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marche, couts transaction, integration, co-integration, securite alimentaire, Agricultural and Food Policy, Consumer/Household Economics, Demand and Price Analysis, Food Consumption/Nutrition/Food Safety, Food Security and Poverty, Industrial Organization, International Relations/Trade, Labor and Human Capital, Land Economics/Use, Production Economics, Research and Development/Tech Change/Emerging Technologies - Abstract
Le présent travail évalue d'une part la structure des coûts de transaction des principaux produits commercialisés au Togo (maïs, sorgho, oignon, gari, tomate, poisson, volaille et gros bétail), et d'autre part le niveau de l'intégration du marché de maïs qui est devenu le produit dominant dans le système de production, de consommation et de commercialisation au Togo. L'analyse des coûts de transaction réalisée à partir des données primaires a débouché sur le constat global que les coûts de transport représentent le facteur le plus déterminant dans les coûts de transaction. L'analyse de l'intégration du marché de maïs réalisée au moyen de la technique de co-intégration et du modèle de Ravallion appliqués sur des séries de prix a permis de dresser trois constats: 1) il existe un équilibre de long terme stable entre les marchés de Lomé et les autres marchés; 2)Lomé joue le rôle de marché de référence dans le réseau; 3)un retard dans la transmission des changements des prix. Il importe, pour garantir la sécurité alimentaire au Togo d'entreprendre les actions visant:1)à réduire le coût du service transport des produits alimentaires en milieu rural; 2)à améliorer la disponibilité et l'accessibilité de l'information pour l'ensemble des acteurs du marché céréalier (producteurs, consommateurs et commerçants). La mise en œuvre de ces politiques permettra alors d'améliorer la sécurité alimentaire à travers une meilleure disponibilité et accessibilité des produits alimentaires aux consommateurs.
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- 2008
18. Sectoral Strategy and Poverty: The Case of Togo
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Agbodji, Akoete Ega, primary, Yovo, Koffi, additional, Abalo, Kodjo, additional, Agbodji, Komlan Dodzi, additional, and Johnson, Ablamba Ahoefavi, additional
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- 2011
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19. Liberalisation du commerce et integration spatiale des marches: Le cas du mais au Togo
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Yovo, Koffi, primary and Homevoh, Etsri, additional
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- 2006
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20. Intermittent preventive treatment regimens for malaria in HIV-positive pregnant women.
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Pons-Duran C, Wassenaar MJ, Yovo KE, Marín-Carballo C, Briand V, and González R
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- Humans, Female, Pregnancy, Pregnancy Complications, Parasitic prevention & control, HIV Infections complications, Pregnancy Complications, Infectious drug therapy, HIV Seropositivity complications, Artemisinins therapeutic use, Artemisinins administration & dosage, Mefloquine therapeutic use, Mefloquine adverse effects, Mefloquine administration & dosage, Piperazines, Quinolines, Antimalarials therapeutic use, Antimalarials administration & dosage, Antimalarials adverse effects, Randomized Controlled Trials as Topic, Drug Combinations, Pyrimethamine therapeutic use, Pyrimethamine administration & dosage, Sulfadoxine therapeutic use, Sulfadoxine administration & dosage, Trimethoprim, Sulfamethoxazole Drug Combination therapeutic use, Trimethoprim, Sulfamethoxazole Drug Combination administration & dosage, Malaria prevention & control
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Background: Malaria and HIV infection overlap geographically in sub-Saharan Africa and share risk factors. HIV infection increases malaria's severity, especially in pregnant women. The World Health Organization (WHO) recommends intermittent preventive treatment in pregnancy (IPTp) with sulphadoxine-pyrimethamine (SP) for pregnant women living in areas of stable malaria transmission. However, HIV-positive women on daily cotrimoxazole prophylaxis (recommended for prevention of opportunistic infections in people with HIV) cannot receive SP due to adverse drug interactions, so malaria prevention in this vulnerable population currently relies on daily cotrimoxazole prophylaxis alone. This review is based on a new protocol and provides an update to the 2011 Cochrane Review that evaluated alternative drugs for IPTp to prevent malaria in HIV-positive women., Objectives: To compare the safety and efficacy of intermittent preventive treatment regimens for malaria prevention in HIV-positive pregnant women., Search Methods: We searched CENTRAL, MEDLINE, Embase, three other databases, and two trial registries to 31 January 2024. To identify relevant additional studies or unpublished work, we checked references and contacted study authors and other researchers working on malaria and HIV., Selection Criteria: We included randomized controlled trials (RCTs) comparing any intermittent preventive treatment regimen for preventing malaria in HIV-positive pregnant women against daily cotrimoxazole prophylaxis alone, placebo, current or previous standard of care, or combinations of these options. By 'standard of care' we refer to the country's recommended drug regimen to prevent malaria in pregnancy among HIV-positive women, or the treatment that a trial's research team considered to be the standard of care., Data Collection and Analysis: Review authors, in pairs, independently screened all records identified by the search strategy, applied inclusion criteria, assessed risk of bias in included trials, and extracted data. We contacted trial authors when additional information was required. We presented dichotomous outcomes using risk ratios (RRs), count outcomes as incidence rate ratios (IRRs), and continuous outcomes as mean differences (MDs). We presented all measures of effect with 95% confidence intervals (CIs). We assessed the certainty of the evidence using the GRADE approach for what we considered to be the main comparisons and outcomes., Main Results: We included 14 RCTs, with a total of 4976 HIV-positive pregnant women initially randomized. All trials assessed the efficacy and safety of one antimalarial used as IPTp (mefloquine, dihydroartemisinin/piperaquine, SP, or azithromycin) with or without daily cotrimoxazole, compared to daily cotrimoxazole alone, placebo, or a standard of care regimen. We grouped the trials into nine comparisons. Our main comparison evaluated the current standard of care (daily cotrimoxazole) with another drug regimen (mefloquine or dihydroartemisinin/piperaquine) versus daily cotrimoxazole with or without placebo. In this comparison, two trials evaluated mefloquine and three evaluated dihydroartemisinin/piperaquine. We conducted meta-analyses that included trials evaluating dihydroartemisinin/piperaquine plus cotrimoxazole, and trials that evaluated mefloquine plus cotrimoxazole, as we considered there to be no qualitative or quantitative heterogeneity among trials for most outcomes. We considered drug-related adverse events and HIV-related outcomes to be drug-specific. Daily cotrimoxazole prophylaxis plus another drug regimen (mefloquine or dihydroartemisinin/piperaquine) probably results in lower risk of maternal peripheral parasitaemia at delivery (RR 0.62, 95% CI 0.41 to 0.95; 2406 participants, 5 trials; moderate-certainty evidence). It results in little or no difference in maternal anaemia cases at delivery (RR 0.98, 95% CI 0.90 to 1.07; 2417 participants, 3 trials; high-certainty evidence). It probably results in a decrease in placental malaria measured by blood smear (RR 0.54, 95% CI 0.31 to 0.93; 1337 participants, 3 trials; moderate-certainty evidence), and probably results in little or no difference in low birth weight (RR 1.16, 95% CI 0.95 to 1.41; 2915 participants, 5 trials; moderate-certainty evidence). There is insufficient evidence to ascertain whether daily cotrimoxazole prophylaxis plus another drug regimen affects the risk of cord blood parasitaemia (RR 0.27, 95% CI 0.04 to 1.64; 2696 participants, 5 trials; very low-certainty evidence). Daily cotrimoxazole prophylaxis plus another drug regimen probably results in little or no difference in foetal loss (RR 1.03, 95% CI 0.73 to 1.46; 2957 participants, 5 trials; moderate-certainty evidence), and may result in little or no difference in neonatal mortality (RR 1.21, 95% CI 0.68 to 2.14; 2706 participants, 4 trials; low-certainty evidence). Due to the probability of an increased risk of mother-to-child HIV transmission and some adverse drug effects noted with mefloquine, we also looked at the results for dihydroartemisinin/piperaquine specifically. Dihydroartemisinin/piperaquine plus daily contrimoxazole probably results in little to no difference in maternal peripheral parasitaemia (RR 0.59, 95% CI 0.31 to 1.11; 1517 participants, 3 trials; moderate-certainty evidence) or anaemia at delivery (RR 0.95, 95% CI 0.82 to 1.10; 1454 participants, 2 trials; moderate-certainty evidence), but leads to fewer women having placental malaria when measured by histopathologic analysis (RR 0.67, 95% CI 0.50 to 0.90; 1570 participants, 3 trials; high-certainty evidence). The addition of dihydroartemisinin/piperaquine to daily cotrimoxazole probably made little to no difference to rates of low birth weight (RR 1.13, 95% CI 0.87 to 1.48; 1695 participants, 3 trials), foetal loss (RR 1.14, 95% CI 0.68 to 1.90; 1610 participants, 3 trials), or neonatal mortality (RR 1.03, 95% CI 0.39 to 2.72; 1467 participants, 2 trials) (all moderate-certainty evidence). We found low-certainty evidence of no increased risk of gastrointestinal drug-related adverse events (RR 1.42, 95% CI 0.51 to 3.98; 1447 participants, 2 trials) or mother-to-child HIV transmission (RR 1.54, 95% CI 0.26 to 9.19; 1063 participants, 2 trials)., Authors' Conclusions: Dihydroartemisinin/piperaquine and mefloquine added to daily cotrimoxazole seem to be efficacious in preventing malaria infection in HIV-positive pregnant women compared to daily cotrimoxazole alone. However, increased risk of HIV transmission to the foetus and poor drug tolerability may be barriers to implementation of mefloquine in practice. In contrast, the evidence suggests that dihydroartemisinin/piperaquine does not increase the risk of HIV mother-to-child transmission and is well tolerated., (Copyright © 2024 The Authors. Cochrane Database of Systematic Reviews published by John Wiley & Sons, Ltd. on behalf of The Cochrane Collaboration.)
- Published
- 2024
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