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| Registros recuperados: 27 | |
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| Begum, Ismat Ara; Buysse, Jeroen; Alam, Mohammad Jahangir; Van Huylenbroeck, Guido. |
| This study estimates the technical, allocative and economic efficiency obtained from the Data Envelopment Analysis (DEA) approach using farm level survey data to a sample of 100 poultry farmers in Bangladesh for the year 2007. The results from the DEA approach show that there is substantial technical, allocative and economic inefficiency in poultry production in Bangladesh. The results of the study reveal that under constant return to scale (CRS) and variable returns to scale (VRS) specification, on average, the farms technical, allocative and economic efficiencies were 88%, 70%, 62% and 89%, 73%, 66% respectively. Thus the results indicate that efficiency scores vary substantially across the sampled farms. To explain some of these variations, the... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Economic efficiency; DEA; Poultry farms; Farm Management; Livestock Production/Industries; Production Economics. |
| Ano: 2009 |
URL: http://purl.umn.edu/50900 |
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| Claeys, Dakerlia; Lauwers, Ludwig H.; Marchand, Fleur L.; Van Meensel, Jef; Buysse, Jeroen; Van der Straeten, Bart; Van Huylenbroeck, Guido. |
| The paper discusses an ex ante evaluation of the derogation on the Nitrates Directive for Flanders, Belgium, which is a case of intensive but highly productive livestock areas. The aim is to develop an accurate simulation model to detect small differences in manure surpluses caused by changes of manure production and/or utilization. The system of models consists of various modules to fine tune the calculations of manure production, fertilizing behaviour and manure allocation and disposal on and off farm. The results show that derogation may cause the existing manure surpluses to expire, if only nitrogen limits are considered and no transactions costs are taken into account. When also phosphate fertilization limits are considered, the increase in manuring... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Nitrates Directive; Derogation; Modelling; Environmental Economics and Policy; Livestock Production/Industries. |
| Ano: 2008 |
URL: http://purl.umn.edu/44436 |
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| Frija, Aymen; Buysse, Jeroen; Speelman, Stijn; Chebil, Ali; Van Huylenbroeck, Guido. |
| The paper aims to investigate the economies of scale of Water Users’ Associations (WUA) in Tunisia. During the last years there has been a lot of discussion in Tunisia about the optimal size of WUAs, which allows more efficient management of the water resources at the local level. In this work we propose to see if the size of the WUA in the governorate of Nabeul (Central-Eastern part of Tunisia) would have to increase or decrease in order to maximize their efficiency. Apart from this qualification we also quantify the scale efficiency and scale elasticity of the WUA using Data Envelopment Analysis (DEA) models. The results show that the output space (volume of water distributed and number of ha managed and irrigated) of the WUA that attain a high level of... |
| Tipo: Journal Article |
Palavras-chave: Resource /Energy Economics and Policy. |
| Ano: 2010 |
URL: http://purl.umn.edu/95982 |
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| Marchand, Fleur L.; Buysse, Jeroen; Campens, V.; Claeys, Dakerlia; Fernagut, Bruno; Lauwers, Ludwig H.; Van der Straeten, Bart; Van Huylenbroeck, Guido. |
| Current thoughts on CAP changes, e.g. the "Health Check", emphasize the necessity to move away from payments based on historical receipts towards a "flatter rate" system. The aim of current research is to simulate the impact of a flat rate system (equal payments per hectare of cultivated land) compared to the current historical system (payments based on individual historic entitlements). Impact on production and income of arable, dairy and cattle farms of two different flat rate scenario's, is assessed with a farm-based sector model for Flanders. The model maximizes income at farm level, calibrated to observed farming behavior in 2001-2003. Farm data can be selected by farm type, size and region, simulations could be run for specific sub sectors, size... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Positive Mathematical Programming; Farm model; Common Agricultural Policy; Payment Entitlements.; Agricultural and Food Policy; Agricultural Finance; Farm Management; Research Methods/ Statistical Methods. |
| Ano: 2008 |
URL: http://purl.umn.edu/6681 |
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| Speelman, Stijn; Buysse, Jeroen; Frija, Aymen; D'Haese, Marijke F.C.; D'Haese, Luc. |
| In South Africa water law has recently changed, adopting the principle of water as an economic good, thus levying charges on its use. For small-scale irrigators this is an important change, because currently their water use is entirely subsidized. In the coming years, subsidies will gradually decrease and an essential expected benefit of this policy change is that water use efficiency will rise, leading to reduced consumption and possible reallocation of the water saved. The exact impact of the water pricing policy on the irrigation water use or on the farmers' production system is however unclear. This study introduces a new methodology, based on data envelopment analysis, that allows estimating the effects on the agricultural production process and water... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Production Economics; Resource /Energy Economics and Policy. |
| Ano: 2008 |
URL: http://purl.umn.edu/6646 |
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| Van der Straeten, Bart; Buysse, Jeroen; Marchand, Fleur L.; Lauwers, Ludwig H.; Claeys, Dakerlia; Van Huylenbroeck, Guido. |
| In 2005, 30% of the Flemish farms faced a manure excess, while at aggregated level still 9.7% of the emission rights were unused. This means that, despite the various possibilities, Flemish farmers do not succeed in an effective exchange of manure between farms. In current paper is shown how inorganic fertilizer use influences the use and exchange of organic nitrogen. Because of the mutual interdependency between organic and inorganic nitrogen emission rights (or quota), inorganic nitrogen use limits the emission rights for organic nitrogen. Utilisation of these emission rights are analysed as a trade-offs choice between plant productivity (use of inorganic nitrogen) and manure disposal, as the major abatement alternative of manure production. Farmers... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Manure abatement; Nutrient emission rights; Tobit model; Crop Production/Industries. |
| Ano: 2008 |
URL: http://purl.umn.edu/43642 |
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| Buysse, Jeroen; Van der Straeten, Bart; Claeys, Dakerlia; Lauwers, Ludwig H.; Marchand, Fleur L.; Van Huylenbroeck, Guido. |
| To explain over- and underuse of available quota, Buysse et al. (2007) have integrated the shadow cost of the quota constraint in a quota flexibility function in a positive mathematical programming model. This method and central hypothesis, formulated and tested for the case of Belgian sugar beet farms, is in current paper extended and confirmed for the cases of Flemish dairy quota and manure emission rights. Despite the different organisation, objectives and implementations of the diverse quota systems, the results are similar. A higher utilisation of quota is significantly driven by the quota rent, but farm characteristics are also important and the effect declines with increasing quota rent. Regardless the quota, the dairy quota flexibility behaviour of... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Quota; Flexibility; Positive Mathematical Programming; Farm model; Common Agricultural Policy; Agricultural and Food Policy; Demand and Price Analysis; Research Methods/ Statistical Methods. |
| Ano: 2008 |
URL: http://purl.umn.edu/6640 |
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| Alam, Mohammad Jahangir; Buysse, Jeroen; Begum, Ismat Ara; Nolte, Stephan; Wailes, Eric J.; Van Huylenbroeck, Guido. |
| The paper analyzes the impact of trade liberalization and changes in world prices of agricultural commodities in Bangladesh using single country CGE model. Since the agricultural sector is sensitive to overall employment, household welfare and food security, the analysis focuses on the changes in agricultural production, consumption, household income and welfare. The results show that trade liberalization increases the welfare of all household groups while world market price increases decrease welfare. It means that although trade liberalization generates a welfare increase for households but this is dependent on the relative level of world commodity prices. Our results are based on the analysis of aggregate household groups, so it may be of future... |
| Tipo: Presentation |
Palavras-chave: Static; CGE; Trade policy; World prices; Agricultural commodities; Bangladesh; Agricultural and Food Policy; Demand and Price Analysis; Food Security and Poverty; International Development; International Relations/Trade. |
| Ano: 2012 |
URL: http://purl.umn.edu/123724 |
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| Registros recuperados: 27 | |
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