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Всего публикаций в данном разделе: 41

Книги

Авторы:
все А Б ВГ Д Е ЖЗИ ЙК Л М Н О П Р С Т У ФХ ЦЧ Ш ЩЭЮЯ
A B C DE F G H I J K L M N O P Q R S T U V W X Y Z
 
Названия:
А БВ Г Д ЕЖЗ И ЙК ЛМ Н О П Р С Т У ФХЦ ЧШЩЭ ЮЯ
A B C D E F G H I JKL M N O P Q R S T U V W XY Z
 

Опубликовано на портале: 31-12-2003
John C. Beghin, Jean-Christophe Bureau, Sophie Drogue
Durban, 2003
We introduce an easily implemented and flexible calibration technique for partial demand systems, combining recent developments in incomplete demand systems and a set of restrictions conditioned on the available elasticity-estimates. The technique accommodates various degrees of knowledge on cross-price elasticities, satisfies curvature restrictions, and allows the recovery of an exact welfare measure for policy analysis. The technique is illustrated with a partial demand system for food consumption in Korea for different states of knowledge on cross-price effects. The consumer welfare impact of food and agricultural trade liberalization is measured.
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Опубликовано на портале: 13-01-2004
Daniel Berkowitz, David N. DeJong
Berlin, 2000
In previous work BERKOWITZ and DEJONG, used regional commodity-price data covering the period 1993-96 to document the existence of an internal economic border that divides Russia into two distinct economic regions: the ‘Red Belt’ and the ‘rest of Russia’. The Red Belt represents a group of regions that have broadly resisted the implementation of federally initiated market reforms. Here, we extend this work by quantifying two economic implications of this internal border. First, we show that the Red-Belt border has limited the transmission of price signals to regions within the Red Belt. Second, we show that regions within the Red Belt have experienced extremely poor growth performances relative to Russia as a whole.
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Опубликовано на портале: 24-12-2003
Stefan Bojnec, Liesbeth Dries, Johan Swinnen
Durban, 2003
This paper analyses the determinants of agricultural labor flows and the role of human capital in this process on the basis of the Slovenian Labor Force Surveys for the years 1993 to 1999. The household heads living in larger households, having a larger farm size, and working full-time (more hours per week) in permanent jobs are more likely to stay in agricultural employment. The empirical evidence clearly suggests that human capital plays a crucial role for labor mobility and labor adjustment. Young, female and educated individuals are more likely to enter into employment in non-agricultural, particularly service activities.

There are remarkable circular flows of elderly and less educated persons between being employed in agriculture, unemployment and retirement pools. Small-scale and part-time farming provide temporary employment opportunities. Investments in human capital to improve quality of labor in agriculture and to increase mobility and flexibility of labor are the key issues in synergy reducing labor mismatch and improving efficiency in labor flow adjustment.
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Опубликовано на портале: 25-12-2003
Hannah Chaplin, Sophia Moissey Davidova, Matthew Gorton
Durban, 2003
Survey evidence from three Central European Countries (Czech Republic, Hungary and Poland) is analysed to identify the degree of non-agricultural farm diversification and the factors facilitating or impeding it in individual farms. The effect of diversification on rural job creation is investigated. The results indicate that the level of diversification is relatively small and enterprise diversification by farmers is unlikely to generate sufficient new jobs and solve the problem of high rural unemployment. The attempt to transpose the Western European model of agricultural diversification to the acceding countries via the SAPARD programme is questionable, as non-farm centric rural policies appear to be more appropriate.
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Опубликовано на портале: 31-12-2003
Timothy J. Dalton
Zaragoza, 2003
New crop varieties often have been promoted in developing countries based upon superior yield vis-a-vis locally available varieties. This research presents a hedonic model for upland rice by drawing upon the input characteristics and consumer good characteristics model literature. Model specification tests determine that a combination of production and consumption characteristics best explains the willingness to pay for new upland rice varieties. This non-separable household model specification determined that four traits explain the willingness to pay for new rice varieties: plant cycle length, plant height, grain elongation/swelling and tenderness. Yield was not a significant explanatory variable of the willingness to pay for seed. br>
The implications of this model are two-fold. First, varietal development and promotion must include post-harvest characteristics in addition to production traits when determining which varieties to promote for official release. Secondly, non- yield production characteristics such as plant height and cycle length are significant factors in producers_ assessments of the value of a new variety. Overall, this paper provides an alternative explanation for limited adoption of modern upland rice varieties in West Africa: varietal evaluation programs have focused too narrowly on yield evaluation and have not promoted varieties with superior non-yield characteristics than locally available varieties.
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Опубликовано на портале: 28-11-2003
Sami Daniel, Maureen Kilkenny
2002
This article considers the impacts of (de)coupled farm sector support on the locations of farming and agro-industrial activity. An economic geography model is developed which has two types of regions, one with extensive agricultural production (rural), the other with intensive farming that is more densely populated (urban). The farm and agro-industrial sectors are vertically linked. A service sector that is not directly linked to either basic industry is also explicit. We show that coupled and decoupled subsidies affect the spatial distribution of farming, industry, and service sector activity. Support that is provided to all farmers regardless of crop, thus semi-decoupled, increases spatial agglomeration. Support targeted to farmers of particular crops, especially rural comparative advantage crops, favors increased farming in rural areas but spatial agglomeration of non-farm activity still occurs. This latter targeting approach is used in the European Union.
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Опубликовано на портале: 29-11-2003
Benjamin Davis, Sudhanshu Handa, Marco Stampini, Paul Winters
2002
This paper aims at evaluating the impact of two different cash transfer programs in rural Mexico – Procampo and Progresa – on total consumption, food consumption and other outcomes like investment, schooling and health care. Progresa is targeted to women, while Procampo goes to farmers, mostly men and many of which are poor. We show that both programs boost consumption. However, they obtain this effect through different channels. Progresa is destined to consumption expenditure directly, while Procampo, which is paid to landholders, boosts investments and needs time to produce its benefits. Furthermore, we separate program from gender effects and show that cash transfer programs targeted to men are beneficial only when the recipients own means of production. This suggest that policy makers should take into account the relationship between gender and ownership of assets when designing poverty reduction programs.
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Опубликовано на портале: 29-03-2005
Thomas Dax, Ingrid Machold, Deborah Roberts
2004
Drawing from the interim findings of a 2 year, EU-wide project, this paper considers the contribution the CAP makes to territorial cohesion across Europe. It is based on analysis of indicators at NUTS 3 level for the EU 27 (including Switzerland and Norway) and initial findings from a case study of CAP support in a region of Austria. Analysis shows that the incidence of Pillar 1 support is not consistent with the economic or social cohesion objectives of the EU. In particular, statistical analysis suggests that Pillar 1 support is distributed in such a way that it tends to benefit richer regions with lower unemployment rates and with higher than average population growth. Contrary to expectations, the incidence of Pillar 2 support is also inconsistent with cohesion objectives, favouring the richer areas of the EU. Reasons identified for the pattern of Pillar 2 support include differing national priorities, the uneven allocation of RDR funds and difficulties of co-financing in poorer regions. Importantly, analysis of the impact of the Mid Term Review proposals on farm incomes suggests that the latest reforms of the CAP will not improve the consistency between the CAP and cohesion. The paper discusses the key policy implications arising from the findings. It is argued that although member states are increasingly able to direct discretionary support measures towards territorial priorities, this is still only a very minor part of the CAP. As is exemplified by the case study in Austria, only a substantial comprehensive effort of rural development measures can provide compensatory territorial effects. Finally, the need for a more coherent, integrative rural development policy framework is discussed.
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Опубликовано на портале: 31-12-2003
David L Debertin
USA: Macmillan Publishing Company, 1992, 366 с.
Один из основных учебников, используемых при изучении экономики аграрного производства. В издании рассматривается специфика аграрного производства, делаются спецификации для производственных функций. Процесс производства анализируется как со стороны используемых ресурсов, так и выпуска готовой продукции.

Опубликовано на портале: 29-11-2003
Bruno Henry De Frahan, Christian Tritten
2002
This paper proposes a partial equilibrium displacement model that differentiates wheat according to its end-use and country of origin to investigate the impact of alternative European trade policies on wheat supply and demand in France. Transmission, demand and supply elasticities are estimated for each class and origin of wheat. Simulation results show that rebalancing trade protection across wheat classes encourages domestic supply of high quality wheat and displaces imports from North America.
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Опубликовано на портале: 31-12-2003
Klaus Deininger, Paul Mpuga
Durban, 2003
Although there is broad agreement that well functioning land rental markets will play an important role to increase productivity and household welfare as agrarian economies develop, evidence from Africa on the actual performance and impact of such markets is limited. We use data from Uganda to test for differences in the performance of rental, as compared to sales markets and their evolution over time, based on a framework where markets are affected by differences in ability and imperfections in rural labor and capital markets.

We find that land markets are very active, that land rental but not sales markets transfer land to more efficient and relatively poor producers thereby providing an opportunity for the landless to access land, and that rental market activity has increased recently with economic growth. Despite land prices in some regions being above the net present value of land we find no evidence for sales markets leading to land concentration and conclude that, rather than imposing administrative restrictions, government should aim to improve access to alternative savings instruments.
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Опубликовано на портале: 29-11-2003
M. del Mar Delgado, Eduardo Ramos
2002
Last decades have seen the development of a new rural policy. Different problems occurring in rural areas have pushed the EU Commission to draft policy instruments aiming to address them. However this rural policy path has not always been explicit neither has followed a continuous trend but rather has seen a series of forward and backward steps. Given the lack of a method to establish the relevance and the level of political acceptance of EU rural policy, a methodology has been developed. This methodology has tried to identify the EU political procedure trend, though this is not a formal sequence, and to establish a classification of different events according to a proposed hierarchy. Several EU documents, decisions, directives and financial resource allocations have been analysed. Within the review performed, each rural policy milestone has been classified following the proposed hierarchical chart. This has enabled the drawing of the different backs and forwards taken by this process. Besides, it has lead to the interpretation of the rural policy instruments current position in relation with other European policy instruments.
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Опубликовано на портале: 29-11-2003
Marion Desquilbet, David S. Bullock
2002
This paper proposes an analytical framework to examine the market and welfare impacts of GMOs, when some consumers refuse genetically modified organisms (GMOs) and when two supply channels are segregated (one for goods that containing GMOs and one for non-genetically-modified identity-preserved goods).

Our analytical framework begins at the level of individual farmers, handlers and consumers, to build up market supply and demand functions. This allows us to circumvent the difficulties of conducting supply and demand analysis in the different horizontally and vertically related markets concerned by GMOs and market segregation. We represent explicitly the costs of non-GMO segregation and identity preservation (IP) for both producers of non-GM IP goods and producers of non-IP goods, and how these costs vary depending on the relative sizes of the two production channels. We then illustrate our model by a simulation of potential adoption of GM rapeseed with non-GMO market segregation in the European Union (EU). We analyze how the costs of IP are distributed among heterogenous producers, handlers and consumers in this simulation.
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Опубликовано на портале: 29-11-2003
Marion Desquilbet, Stephane Lemarie, Fabrice Levert
2002
In this paper, we conduct an empirical investigation of potential adoption of herbicide-tolerant (HT) genetically modified (GM) rapeseed in France. Our aim is to study ex ante the potential impact of their adoption in France, in terms of adoption level, economic gains, and distribution of these gains between farmers and input suppliers. We use French survey data about current plant protection practices, in order to compute pesticide costs with conventional (i.e., non GM) crops for individual farms. Then, based on results of technical studies about GM variety trials in France, we compute a predicted pesticide cost with the GM variety. Next, we study adoption rates and gains or losses of farmers (adopters and non adopters) and upstream companies (sellers of conventional herbicides, of the total herbicide to which GM rapeseed is tolerant, of GM seed), depending on the GM seed license price, the margin rate on herbicide sales and the price of conventional herbicides.
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Опубликовано на портале: 31-03-2005
Detlef Deumlich, J. Thiere, H. I. Reuter, L. Völker, R. Funk, Joachim Kiesel
2004
This paper presents a comparative method (SICOM) to evaluate complex site conditions at the level of a Federal State (Brandenburg) and at different areal units. The methodology uses primary site conditions and provides the possibility to objectively compare and judge different ecological questions. Objects with heterogeneous content are pooled in comparison groups. Consideration of the main site characteristics allows a goal-oriented allocation of subsidies. The use of SICOM is demonstrated for the wind and water erosion risk assessment across different scales from Federal State down to a parcel of land. The “parcel” aggregation-level proves to be useful to assess the erosion risk. Larger scales are less useful in the assessment of subsidies policy with regard to erosion risk. SICOM is demonstrated to be suitable for comparing and assessing regional aspects more objectively.
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