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| Registros recuperados: 11.824 | |
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| Smale, Melinda; Byerlee, Derek R.; Jayne, Thomas S.. |
| There have been numerous episodes of widespread adoption of improved seed and long-term achievements in the development of the maize seed industry in Sub-Saharan Africa. This summary takes a circumspect view of technical change in maize production. Adoption of improved seed has continued to rise gradually, now representing an estimated 44 percent of maize area in Eastern and Southern Africa (outside South Africa), and 60 percent of maize area in West and Central Africa. Use of fertilizer and restorative crop management practices remains relatively low and inefficient. An array of extension models has been tested and a combination of approaches will be needed to reach maize producers in heterogeneous agricultural environments. Yield growth overall has been... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Sub-Saharan Africa; Maize; Seed; Agricultural and Food Policy; Production Economics. |
| Ano: 2011 |
URL: http://purl.umn.edu/113651 |
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| Meilke, Karl D.; Sarker, Rakhal. |
| This paper reviews the role of national administered protection agencies, whose responsibility is the enforcement of national trade remedy laws. After reviewing four recent trade remedy cases we argue that the role of the national administered protection agencies should be changed. Given the additional responsibilities the WTO has assumed in administering the Agreement on Agriculture, the growth of regional integration agreements and the increasing use of anti-dumping and countervailing duty actions against fairly traded imports, we argue that all trade actions should be taken to the WTO for settlement. The role of the national administered protection agencies should be changed to make them agents for trade liberalization. This would involve them taking on... |
| Tipo: Working or Discussion Paper |
Palavras-chave: International Relations/Trade. |
| Ano: 1996 |
URL: http://purl.umn.edu/51212 |
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| Harpankar, Kshama; Taff, Steven J.. |
| We establish a procedure to track the tax valuation history of properties that are fully or partially restricted with conservation easements to test the assertion that easements result in lower property valuations. Easements didn't decrease property valuations; they merely decreased the rate of value for the affected properties. On average, the restricted properties' valuations increased at a rate lower than did those for unrestricted properties - but not always, and certainly not uniformly. Valuation policy is specific to the local tax assessor: no sweeping assertions about easements and property taxes is warranted. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Land Economics/Use. |
| Ano: 2004 |
URL: http://purl.umn.edu/13493 |
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| Suphachalasai, Suphachol. |
| This paper investigates the relationship between a bureaucracy and mass media industry, and its implications to corruption. We develop a bureaucratic model of corruption with mass media. A representative profit maximizing media firm seeks for corruption news to be printed and sold. Channels through which competition in media industry and press freedom affect equilibrium corruption in a bureaucracy are modeled. Different degrees of media freedom and competition affect production and employment decisions of media firms, and this in turn affects the effectiveness of media in monitoring corruption. Competition and freedom in media sector also have an influence on bureaucratic structure and consequently on equilibrium corruption. We find that the degree of... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Corruption; Bureaucracy; Mass Media; Industrial Organization. |
| Ano: 2005 |
URL: http://purl.umn.edu/31929 |
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| Udry, Christopher R.; Conley, Timothy G.. |
| In this chapter we examine social networks among farmers in a developing country. We use detailed data on economic activities and social interactions between people living in four study villages in Ghana. It is clear that economic development in this region is being shaped by the networks of information, capital and influence that permeate these communities. This chapter explores the determinants of these important economic networks. We first describe the patterns of information, capital, labor and land transaction connections that are apparent in these villages. We then discuss the interconnections between the various economic networks. We relate the functional economic networks to more fundamental social relationships between people in a reduced form... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Endogenous networks; Informal credit; Social learning; Institutional and Behavioral Economics; O12; D85. |
| Ano: 2004 |
URL: http://purl.umn.edu/28488 |
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| Foley, Mark C.. |
| Following the dissolution of the Soviet Union in December 1991, Russia experienced a series of economic shocks, resulting in large decreases in output but limited change in employment. Using information contained in a nationally representative longitudinal survey of Russian citizens, this research analyzes the labor market behavior of individuals from 1992 to 1996 during the transition to a market economy. Under Markovian assumptions, the pattern of transitions between labor market states is identified. Results indicate that the state sector has declined, but that the emerging private sector has played a limited role in alleviating growing unemployment. The probability of losing a job increased 75 percent from 1992 to 1996 while the re-employment... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Labor market dynamics; Economic transition; Russia; Labor and Human Capital. |
| Ano: 1997 |
URL: http://purl.umn.edu/28534 |
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| Abduganiyev, Abdukakhkhor A.. |
| The development of farmers' producer co-operatives, in the privet sector, can make a significant contribution to the improvements that are urgently required in agricultural production of Uzbekistan. Farmers' co-operatives can provide input-supply, marketing and processing operations in the private sector. In this report, relevant areas within the agricultural sector were reviewed, constraints identified and recommendations made for the future development of farmers' co-operatives in Uzbekistan. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Agribusiness. |
| Ano: 1999 |
URL: http://purl.umn.edu/24009 |
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| Fisher, Monica G.. |
| Research shows households are more likely to be poor in rural versus urban America. Does this phenomenon partly reflect that people who choose rural residence have unmeasured attributes related to human impoverishment? To address this, two models are estimated using Panel Study of Income Dynamics data. A single equation Probit model of household poverty replicates the well-documented finding of higher poverty risk in rural places. However, a two-stage instrumental variables approach accounting for residential choice finds no measured effect of rural location on poverty. Results suggest failure to correct for endogenous rural residence leads to over-estimation of the "rural effect". |
| Tipo: Working or Discussion Paper |
Palavras-chave: Endogeneity; Households; Instrumental variables; Poverty; Rural; Food Security and Poverty. |
| Ano: 2004 |
URL: http://purl.umn.edu/18917 |
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| Registros recuperados: 11.824 | |
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