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Всего публикаций в данном разделе: 41

Книги

Авторы:
АБ ВГДЕЖЗИЙК Л МНОП Р С ТУ ФХЦЧШ ЩЭЮЯ
A B C D E F G H I J K L M N O P QR S T U V W X Y Z
 
Названия:
все А БВ ГДЕЖЗИЙКЛМНОП Р СТУФХЦЧШЩЭЮЯ
ABC 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
Roberto J. Garcia
Durban, 2003
The Uruguay Round of GATT introduced market disciplines to international trade in agricultural commodities. However, in cases where countries negotiated the right to limit market access, support domestic production at high levels and subsidize exports, the spirit of the WTO rules have been violated. The Norwegian meat market (beef, pork, lamb and mutton, and chicken) situations are studied in terms of the policy implications and WTO commitments. If Norway's policy objective is to target some level of production that satisfies its non-trade concerns, then semi-decoupled income support could be an improvement over a policy mix that simultaneously restricts market access, provides domestic support and applies export subsidies.
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Опубликовано на портале: 30-11-2003
Shyamal K. Chowdhury
2003
This paper assesses the impact of access to information on farm household.s factor market participation. The paper tries to answer two questions. First, does use of telephone have any impact on farm household's factor market participation decision? Second, correcting for market participation, does use of telephone have any impact on the type of factor adjustment decision? For the first question, the paper uses a bivariate probit to correct for omitted variable bias and for the second question, the paper uses a two stage probit. Empirical findings of this paper suggest that access to information in the form of use of telephone has significant positive impact on factor market participation. The difference in market participation between telephone users and nonusers is around 14 percent. However, once a household participate in the market, the use of telephone does not have any impact on specific factor market participation.
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Опубликовано на портале: 28-11-2003
Miriam E. Berges, Karina S. Casellas
2002
The purpose of this paper is to provide some microeconomics tools to discuss and evaluate public policies that imply transfers of income from the public sector to the poor and their impact on their food demand and calories and nutrient intakes. This study is concerned with the differences in subsistence expenditures, own-price elasticities and income elasticities for two households groups segmented by income: those people below the poverty guideline and those above it. The attention of our research is focused on a demand system for all food groups included in a National Consumption Survey and examines the household food consumption behavior by partitioning the sample. A complete system of demand equations, the Linear Expenditure System (LES), has been used due to its relative empirical expediency. Some additional econometric techniques to correct the bias in the parameter estimates were also applied because of the large number of zero observations in the data. Preliminary estimations following the procedure suggested in the Park et al. (1996) paper, gave some results that they were not as good as we expected and we finally use an alternative one based on Shonkwiler and Yen (1999).
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Опубликовано на портале: 30-11-2003
Ольга Валерьевна Шик
2002
The conventional PSE’s methodology doesn’t provide adequate estimation of agricultural support for the economy in transition. In this paper we attempt to adjust PSE’s methodology for Russian economy, and also coefficients’ analysis and interpretations are adapted for transitional conditions. Investigation showed that the level of agricultural support in Russia is much lower than conventional methodology estimates.
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Опубликовано на портале: 04-01-2004
Karen Macours, Johan Swinnen
Berlin, 2000
This paper analyzes the causes of the differences in transition performance in agriculture. The analysis draws on three empirical studies in which we estimated the impact of reform policies and initial conditions, and their 'intermediate results', (i.e. changes in relative prices, farm restructuring, changes in property rights and overall economic liberalization), on performance, i.e. agricultural productivity and output.

Two studies (Macours and Swinnen, 1999, 2000b) use aggregate data for 15 transition countries (as presented in figure 3); the third (Macours and Swinnen, 2000a) uses annual data on crop output for eight CEECs.
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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: 30-11-2003
Jay Fabiosa, John C. Beghin, Stephane de Cara, Cheng Fang, Murat Isik, Holger Matthey
2003
Using a partial equilibrium model of world agriculture, we investigate the multilateral removal of all border taxes and farm programs and their distortion of world agricultural markets. These distortions have significant terms-of-trade effects. World trade is also significantly impacted by both types of distortions. Trade expansion is substantial for most commodities, especially dairy, meats, and vegetable oils. Net agricultural and food exporters (Brazil, Australia, and Argentina) emerge with expanded exports; whereas net importing countries with limited distortions before liberalization are penalized by higher world markets prices and reduced imports. The US gains significant export shares in livestock products and imports more dairy products. Without protection and domestic subsidies, the EU loses many of its livestock and dairy export markets.
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Опубликовано на портале: 29-11-2003
Mariorara Rusu
2002
The deep transformations brought about by the progressive and steady commitment of Romanian economy to the market economy have determined, among others, the modification of the role and status of rural household in the economic activity. Rural household changed from a simple participant, constrained to act in a certain way under a centralised, equalising and levelling system during the communist period, to a participant that carries out its activity in a competing environment in which initiative, creativity and efficiency are defining elements. Based on field surveys conducted at national level, the present paper intends to identify the evolution of economic behaviours specific to rural households under the influence of agricultural policy measures in the period 1997-2000. The conclusions of this study reveal that in this period, most of rural households operated under a subsistence system, according to an economic rationality in which market economy mechanism are lacking. However, the economic picture is far from being a homogeneous one: the emergence of a nucleus of agricultural entrepreneurs, i.e. those who assume the risk of shifting from subsistence to competitive agriculture, those who are trying to turn the peasant household into a farm managed on the capitalist principles, has induced new economic behaviours in the rural communities.
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Опубликовано на портале: 29-11-2003
Marian Rizov
2002
This paper examines the production mode choices of rural households with an emphasis on the Role of human capital in the agricultural transformation process. Farm restructuring in Central and Eastern Europe has resulted in a broad range of farm types, such as co-operatives, partnerships, individual farms and combinations of those. The fact that resources are allocated into different production organization modes is attributed to the utility maximization strategy of heterogeneous agents deriving income from uncertain sources in the face of absent or imperfect factor markets. Empirical results from a multinomial logit model estimated with data from two-year nation-wide survey of Romanian farm households support the hypothesis that the outcome of the transformation process depends primarily on both the human capital characteristics of and economic risks faced by the households.
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Опубликовано на портале: 04-01-2004
Mark W. Rosegrant, Claudia Ringler, Michael S. Paisner
Berlin, 2000
In order to understand the future of food supply and demand and food security, it is essential to focus on the long-term, fundamental drivers, such as income and population growth, and technological change in agriculture as influenced by investments in agricultural research, irrigation, and other factors.

In the remainder of this paper we take a new look into the future role of agricultural research and technology development in world food markets based on alternative scenario simulations with IFPRI’s IMPACT model. The paper starts out by very briefly describing the model, and then presents and discusses alternative scenarios with a focus on the role of technological change.
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Опубликовано на портале: 28-11-2003
Jose A. Gomez-Limon, Laura Riesgo, Manuel Arriaza
2002
In modelling farm systems it is widely accepted that risk plays a central role. Furthermore, farmers’ risk aversion determines their decisions in both the short and the long run. This paper presents a methodology based on multiple criteria mathematical programming to obtain relative and absolute risk aversion coefficients. We rely on multiattribute utility theory (MAUT) to elicit a separable additive multiattribute utility function and then estimate the risk aversion coefficients and apply this methodology to an irrigated area of Northern Spain. The results show a wide variety of attitudes to risk among farmers, who mainly exhibit decreasing absolute risk aversion (DARA) and constant relative risk aversion (CRRA).
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Опубликовано на портале: 29-11-2003
Gianluca Stefani, Donato Romano, Benedetto Rocchi
2002
The paper presents the results of the first SAM analysis of the agricultural sector in Italy. A SAM of the Italian economy has been properly modified in order to focus the analysis on agriculture. Two type of analysis have been carried out:
(i) a multiplier analysis, and
(ii) an assessment of the distributive impacts of different agricultural policies.

This paper proposes also a new method for disaggregating the institutional sectors and production factors in order to analyze income distribution within the economy, with special emphasis on the agricultural sector. Main results are: (i) ‘fully’ decoupled income supporting schemes (transfers to agricultural households) are the most equitable interventions and determine a perfect targeting of the distributive effect on the relevant institutional sectors; (ii) ‘partially’ decoupled income supporting interventions, as the ones implemented under the current CAP, are more effective than others in indirectly (i.e., through multiplier effects) generating positive impacts on the income of agricultural households; (iii) agricultural price support interventions show less desirable effects in terms of their distributive impacts: they are less effective as agricultural incomeincreasing policies and their distributive impacts are biased against poorer households both in agricultural and non-agricultural sectors.
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Опубликовано на портале: 28-11-2003
Eli Feinerman, Marinus H.C. Komen
2002
The new Rural Development Regulation of the EU reflects the shift of attention within rural areas from agricultural production towards rural development and embraces both, farmers and non-farm residents. While agricultural production is required to comply with environmental standards, rural areas also have to fulfil the growing demand for landscape, outdoor recreation and wildlife conservation. This paper develops a model of a rural area where farmers and non-farm residents live together. A central government uses a combination of two-policy instruments - direct compensation payments and public services - aimed at encouraging farmers to adopt environmentally beneficial practices and at the same time to increase the provision of country-side amenities and the sustained vitality of the rural area. The optimal mix of the policy instruments is evaluated under various governmental objectives. The analysis suggests that a combination of direct payments to farmers with the supply of local public services is a promising tool for rural policy development initiatives in the EU.
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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: 29-11-2003
Thomas Heckelei, Hendrik Wolff
2002
The paper introduces a general methodological approach for the estimation of constrained optimisation models in agricultural supply analysis. It is based on optimality conditions of the desired programming model and shows a conceptual advantage compared to Positive Mathematical Programming in the context of well posed estimation problems. Moreover, it closes the empirical and methodological gap between programming models and duality based functional models with explicit allocation of fixed factors. Monte Carlo simulations are performed with a maximum entropy estimator to evaluate the functionality of the approach as well as the impact of empirically relevant prior information in small sample situations.
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