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Всего публикаций в данном разделе: 38

Авторы:
все А Б В Г Д Е ЖЗ И ЙК Л М Н О П Р С Т У Ф Х ЦЧ Ш ЩЭЮЯ
A B C D E F G H I J K L M N O P QR S T U VW X Y Z
 
Названия:
А БВ Г Д ЕЖЗ И ЙК ЛМ НО П Р С Т У ФХЦ Ч ШЩЭ ЮЯ
1 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: 25-12-2002
Jose David Vicente Lorente, Jose Angel Zuniga Vicente
2002
The main purpose of this paper is to examine the effect of strategic moves on the likelihood of organizational survival in a population of firms which has undergone continuous and radical transformations in its environment. To this end, the authors propose and test two competitive hypotheses which are the result of two other theoretical perspectives about the consequences of strategic change: the adaptation view (classic strategic management and dynamic capabilities) and the ecological approach. While from the former strategic change has a positive effect on the likelihood of organizational survival, from the ecological approach, strategic change implies an increase in the likelihood of organizational extinction. The sample used to test the two proposed hypotheses is the Spanish private banks population over the period 1983-1997. The results confirm the negative effect of strategic change on the likelihood of organizational extinction, in line with the conclusions of the adaptive perspective and other research carried out in different settings. This paper introduces two important methodological innovations: (a) the definition and measurement of strategic change by using a new cluster algorithm, MCLUST; and (b) the control of the non-observable heterogeneity using panel data models for logit regression.
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Опубликовано на портале: 30-11-2003
Patricia Mejias, Consuelo Varela-Ortega, Guillermo Flichman
2003
The interactions of water policies and agricultural policies are increasingly determinant for achieving an efficient management of water resources in many countries. In the EU, agricultural and environmental policies are seeking to converge progressively towards mutually compatible objectives and, in this context, the recently reformed Common agricultural Policy (Agenda 2000) and the EU Water Framework Directive constitute the policy framework in which irrigated agriculture and hence water use will evolve. In fact, one of the measures of the European Water Directive is to establish a water pricing policy for improving water use and attaining a more efficient water allocation. The aim of this research is to investigate the irrigators. responses to these changing policy developments in a self-managed irrigation district in Southern Spain. For this purpose, we have developed a stochastic programming model that estimates the farmers. responses to the application of water pricing policies in different agricultural policies scenarios when water availability is subject to varying climate conditions and water storage capacity in the district.s reservoir. Results show that irrigators are price-responsive but a similar water-pricing policy could have distinct effects on water use, farmers. income and collected revenue by the water authority in different agricultural policy options. Water availability is a determinant factor and pricing policies are less effective for reducing water consumption in drought years. Thus, there is a need to integrate the objectives of Water Policies within the objectives of the CAP programs to avoid distortion effects and to seek a synergy between these two policies.
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Опубликовано на портале: 29-11-2003
Kyosti Pietola, Minna Vare, Alfons Oude Lansink
2002
This paper estimates farmer decisions between three discrete occupational choices: exit and close down the farming operation (1), exit and transfer the farm to a new entrant (2), or continue farming and retain the option to exit later on (3). The farmer optimisation problem is formulated as a recursive optimal stopping problem. The unknown parameters are first estimated by a switching-type, reduced form Probit models and, then by the Simulated maximum likelihood (SML) method, controlling for serial correlation in the errors. Serial correlation in the errors is controlled for by the Geweke-Hajivassiliou-Keane (GHK) simulation technique. The results suggest that the timing and the type of farmer exit decisions respond elastically to farmer characteristics, farm characteristics, and economic environment. Early retirement programs and the level of farmer retirement benefits are predicted to play a key role in steering structural development and enhancing family farms in the Nordic agricultural sectors.
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Опубликовано на портале: 29-11-2003
Emmanuelle Raynaud, Loic Sauvee, Egizio Valceschini
2002
For many agricultural products, the quality of the final products strongly depends on different stages of the productive chain. This stresses the importance of relationships between quality signal owners and suppliers in the vertical chain. Based on a New Institutional Economics analysis, the goal of this paper is twofold:
(i) to design a framework to study the links between quality signaling, coordination in the supply chains and the institutional environment,
(ii) to conduct a comparative analysis to identify, compare and explain the modes of organization implemented for the governance of different quality signs.
The general hypothesis is that, in order to assure the credibility of a quality signal, there must be an efficient alignment between quality characteristics and governance of the supply chain. To test this general hypothesis, we have conducted a comparative analysis of 42 case studies in 3 sectors (processed meat, cheese, fruit and vegetable sectors) from 7 European countries. This diversity allows us to compare the organizations designed to govern different quality signals in different institutional environments and to test the matching between quality signals and governance structures.
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Опубликовано на портале: 31-03-2005
Riccardo Scarpa, Laura Viganò, Davide Bortolozzo
2004
A farmer’s choice to part-take into an on farm investment programme can be modelled as a discrete choice. The idea of this paper is to test the possibility of using discrete choice models in the field of the evaluation of structural policies. Farmers choose to take part into agricultural programmes according to their preferences, their structural type and their economic environment. Adhesion to a voluntary scheme or policy can be cast as a discrete choice problem. Hence, discrete choice models are adequate to describe probability of choice, especially against a framework of utility maximization. First, we want to explore if the choice of investing in schemes supported by EAGGF depends on farms’ characteristics, such as Used Agricultural Area, Standard Gross Margin, Farm type, Possession of lands, Form of Farm Management, Standard Work Unit, class of European Size Unit, Fixed costs, etc.. We use is the binomial logit model to explain the probability of making an on-farm investment with regard to Italian Central and Northern Regions. The estimation of such a model allows us to identify the determinants of such a decision. We also use discrete choice analysis to identify the significant determinants of the probability of selection of on-farm investment across 12 investment categories within the Regulation (EC) No 950/97. These include – amongst others – land purchase, system for refusal treatment, land improvement, agricultural machinery, agricultural and non-agricultural farm buildings, land improvements, permanent cultivations etc. We find such an approach to be insightful on the basis of data from the Italian RICA business farm survey, and hence propose to develop it further.
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Опубликовано на портале: 29-11-2003
Louis H.G. Slangen, Cornelis G. van Kooten, Pavel Suchanek
2002
The agricultural sector in Central and Eastern Europe (CEE) is confronted by two huge problems simultaneously: transition processes and sustainability. Institutions are very important for both these problems. The purpose of this paper is to make clear that the institutional setting is very important, and to give insight into the initial situation of institutions for sustainability and transitions. For this purpose we carried out surveys in CEE with questions about government performance, institutional environment, government structures and social capital. There is strong relationship between the determinants of good government performance in general and those for good government for realizing sustainable agriculture. However, besides formal rules, the informal rules of the institutional environment and social capital are also very important for realizing of sustainable agriculture. Results of surveys show that these institutional elements and the level of social capital are different in the countries of CEE, and have to be developed. Knowledge of government performance, institutional environment and social capital is a necessary condition for developing more suitable governance structures for realizing sustainable agriculture.
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Опубликовано на портале: 29-03-2005
Ida J. Terluin, Gabe S. Venema
2004
The menu approach of the second pillar of the CAP allows regions/countries to select those rural development measures which suit their needs best. The selection from the second pillar menu, which consists of 22 rural development measures, has to be reported in the Rural Development Plan. In this article we test the hypothesis ‘Regions select a few measures from the menu which are according to their rural development needs.’ For this purpose, we analysed three main steps which have to be taken in the application of the menu approach: (1) the identification of rural development priorities; (2) the selection of rural development measures to relieve these rural development priorities; and (3) the allocation of financial means to these rural development measures. The analysis is restricted to eight regions in the EU: four intermediate rural regions (Northern Netherlands, Lower Saxony, Wales and Emilia Romagna) and four most urban regions (Southern Netherlands, North Rhine-Westphalia, Flanders and Lombardia). It appears that the case study regions selected quite a large number of rural development measures from the menu, varying from 12 to 18. The analysis reveals that doubts can be raised whether all selected measures are according to the rural development priorities of the case study regions. In addition, it seems that rural development measures are sometimes interpreted in different ways by regions and that the relationship between the rural development measures and the three objectives of the second pillar is not unambiguous. Therefore, some reformulation of rural development measures and objectives of the second pillar is suggested at the end of this article. The findings of our analysis may serve as input in the debate on the future orientation of EU rural development policy.
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Опубликовано на портале: 28-11-2003
Mieke Vandermersch, Erik Mathijs
2002
To assess the performance of a farmer and to identify best practice among a group of farmers, the assumption is often made that all farmers maximize profits and thus share the same business goals. However, performance differs due to personal characteristics, objectives and strategies. A survey carried out among 73 Belgian dairy farmers revealed that for only 34% of the farmers ‘profit maximization’ is a primary objective. A regression analysis revealed that self-declared profit maximizers only obtained a higher farm income per liter, not per labour unit. Through cluster analysis, four main groups of farmers were found with similar objectives and management ideas:
(A) risk-taking and progressive cow farmers,
(B) riskaverse and progressive labour savers,
(C) risk-neutral and relatively conservative profit maximizers and
(D) risk-averse and conservative cow farmers.
Gross margin per liter was highest for the labour savers. Other performance parameters were higher for cluster B only compared to cluster D. Scale economies were found for all performance parameters except for gross margin per liter.
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Опубликовано на портале: 29-11-2003
Myrna van Leeuwen, Andrzej Tabeau
2002
This paper examines the influence of animal premiums under the CAP beef and ewe regime on beef and sheep meat farming in the Netherlands concerning instruments like stock density limits, quota on premium rights and premium payments. On the basis of econometric models, equations are estimated for beef cows1, bulls and ewes. Then, the impacts of the different policy instruments on the stocks are decomposed. At last, prospects of Agenda 2000 on the Dutch beef and ewe sector are calculated up to 2010. For policy makers, the study offers information on the effectiveness of animal premium instruments to manipulate beef and sheep meat production. For Dutch farmers, the study offers information to what extent premium instruments might influence the decision to incline or reduce their stocks.
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Опубликовано на портале: 30-11-2003
Hans van Meijl, Frank van Tongeren
2003
This paper analyses the impact of adopting or rejecting genetically modified GM crops in the EU, taking into account the European Union's Common Agricultural Policy (CAP). In this paper the productivity impact of GMs differs across crops, as it takes factor biased technology change into account. The transfer of knowledge across countries is modelled as a process of endogenous knowledge spillovers. Analyses with a multi-region applied general equilibrium model shows that the CAP protects farm income and production from not adopting GM crops in the EU but has costs in terms of welfare. The EU will forgo substantial benefits if it banned GM imports.
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Опубликовано на портале: 30-11-2003
David Vanzetti, Ralf Peters
2003
Proposals for agricultural trade reform put forward by the main protagonists remain far apart, with little sign of convergence. In an attempt to progress the negotiations towards a successful outcome, the chairman of the WTO Committee on Agriculture has proposed a compromise. The alternative proposals by the United States, the European Union and the WTO are analysed with the Agricultural Trade Policy Simulation Model, a static, multi-commodity, multi-region, partial equilibrium trade model. The estimated annual global welfare gains are $26 billion, $12 billion and $17 billion respectively. Least developed countries, as a group, gain from the US proposal but are made worse off under the WTO and EU proposals. Furthermore, in the best case many individual countries experience welfare losses. However, all countries enjoy increased export revenues and tariff revenues hold up quite well under the two less stringent proposals.
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Опубликовано на портале: 24-12-2003
Pavel Vavra, Nobunori Kuga, Jesus Anton-Lopez, Joe Dewbre
Durban, 2003
Milk producers in virtually every OECD country, and in many non-OECD countries as well, benefit from government interventions. Indeed, government support and protection for milk producers is more widespread than for any of the other commodities for which the OECD calculates producer subsidy equivalents. The purpose of the analysis reported in this paper was to investigate the relative market effects of these two varieties of government intervention in milk pricing: 1) interventions through trade measures applied to dairy products and 2) discriminatory pricing arrangements. Which kind of policy creates ‘dollar-for-dollar’ the greater effects? This paper shows the answer to that question is – it depends. Neither economic theory by itself, nor economic theory combined with ‘plausible’ ranges of numerical values for key parameters is enough to say definitely one way or another. In some plausibly real-life situations domestic milk pricing arrangements can be, at the margin, more distorting than explicit trade measures. The key determining parameters include the usual suspects – the relative elasticities of fluid and manufacturing milk demand, as well as initial price gap between fluid and manufacturing milk provided by various measures and the proportion of domestic milk production used to manufacture tradable dairy products.
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Опубликовано на портале: 30-11-2003
Jackeline Velazco
2003
Is it feasible to increase income and generate employment in the context of a traditional labour intensive rural industry with strong linkages to an agriculturally backward economy? In order to address this issue, primary data from four villages of Peruvian North Sierra was used. The case of the hat making activity, employing exclusively family labour, purchasing the main input (straw, paja de palma) from Ecuador, and with consumers concentrated on villages and small towns, was investigated. The analysis was made at the market level. Considering the context of a self-employment activity, a theoretical framework was developed to explain the determinants of labour demand, input demand, hat output and labour return. Demand and supply constraints to the expansion of hat making activity were found. Important differences in the value of labour marginal product across the sample were identified. These were mainly associated with the use of varied input quality. Growth based on local demand would not be viable given falls in consumer incomes - mainly farmers - and expected changes in consumer preferences; therefore the growth motor would rest more in market expansion and product diversification to urban consumers.
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Опубликовано на портале: 28-11-2003
Maria Raquel Ventura-Lucas, Maria de Lurdes Ferro Godinho, Rui Sousa Fragoso
2002
Sustainable agriculture implies the exploitation of natural resources now, without compromising the natural resources stocks for the future generations. In the context of the paper, agricultural sustainability takes place at the interface between agriculture and the environment. The focus is on the interplay between farming systems and agrienvironmental policies. Agricultural policies have major impacts on soil and water quality and on bio-diversity. Support commodity price policies have lead to serious problems of water pollution; high levels of soil erosion; nitrate losses and lost of biodiversity. The semi decoupeted income support policies and the introduction of the agrienvironmental schemes under the 1992 CAP reform were the first attempts to correct the negative aspects of the production-orientated policies. For the first time farmers were regarded as countryside and landscape keepers and as environmental conservationists. Under the 2000 Agenda similar emphasis was given to the sustainability of agriculture. The objective of this paper is to evaluate the impact of the different agri-environmental policies on typical farming systems and consequently their effects on water pollution, soil erosion and bio-diversity/landscape. A bio-economic model, integrating a mathematical programming model and crop growth simulation model, is applied to estimated the changes in the levels of nitrogen leaching and soil erosion, and in the degree of bio-diversity under the current and proposed agricultural policy scenarios. The following farming systems are studied: dry land cereal farming systems (intensive and extensive), livestock and irrigated farming systems using conventional and conservation farming technologies. The results show The results show that the main changes on water pollution, soil erosion levels and biodiversity are mainly due to changes in price and arable compensatory payments. The agri-environmental measures are more important as farm income source than as a policy instrument to influence environmental parameters.
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Опубликовано на портале: 29-11-2003
Tom Vernimmen, Marie Bourgeois, Guido Van Huylenbroeck, Henk Meert, Etienne Van Hecke
2002
One of the common strategies in rural development programmes is to support the adoption of new on-farm activities. The rationale behind this is that farm diversification is a way to assure an appropriate level of income for the farmers. Through interviews with 49 relatively small farmers, the possibilities for diversification as a survival strategy are assessed. The analysis is mainly based on a classification of development pathways by Bowler (1992). Few forms of diversification appear to be successful as a survival strategy in case of economic problems. Only off-farm employment seems to be effective in this respect. The introduction of new activities on marginal farms is hampered by lack of financial and human capital. On the other hand, diversification is often found on small farms without financial problems. This is an indication that on-farm diversification is able to stabilize the household income and to avoid financial problems when it is used as a preventive strategy.
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