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Всего публикаций в данном разделе: 565

Авторы:
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 V W 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: 28-11-2003
Paul Diederen, Hans van Meijl, Arjan Wolters
2002
This paper addresses the question which factors influence a farmer in deciding to adopt an innovation. We differentiate between innovations that are new to the farmer, but already well established in the sector, innovations that are early in their process of diffusion, and innovations that are new to the farmer’s sector. We use an ordered probit approach to relate adoption behaviour to variables that capture characteristics of the farm (labour and financial resources and market position), of the business environment of the farm (type of production and market, degree of regulation) and of the farmer (access to information, capabilities, preferences). We use data on 865 Dutch farms and find that innovation adoption is positively related to labour resources, market position, access to information and past adoption behaviour, and negatively to solvency and the degree of market regulation.
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Опубликовано на портале: 04-01-2004
Rafaela Dios Palomares, Jose Miguel Martinez Paz
Zaragoza, 2002
This study investigated the efficiency and productivity change of a sample of food distribution units (MERCAs) in Spain over the 1.997-1.999 period, applying non-parametric frontier methodology in a sales efficiency framework. We specified a mean sales model composed of two blocks of variables, the production block, and the marketing management block. Then we applied output oriented DEA methodology to perform the efficiency analysis, also taking into account the overall efficiency decomposition into pure and scale efficiency. The Malmquist index was calculated in order to analyse the components of the productivity change.

The mean pure sales efficiency index was high, around 0.8, the mean scale index being 0,9. As appears from the results, six food distribution units were efficient, but some of the wholesale markets need to adapt their sales technology in order that their input bundle reaches a Most Productive Scale Size unit.

We found no evidence of technical change during the period considered, but concluded that a notable scale efficiency change took place during the studied period.

To summarise, we conclude that improvement in sales efficiency could be reached in the studied sector in both the pure and the scale efficiency.
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Опубликовано на портале: 28-11-2003
Sabrina Di Pasquale, Vittorio Gallerani, Davide Viaggi
2002
Water management for irrigation requires suitable policy tools able to meet social objectives and private behaviour. The legal framework in the EU is today faced with the new water framework directive (60/2000), that sets up new criteria for water management, regulation and pricing. Among other things, the water framework directive introduces the principle of full cost recovery and the polluter pays principle for water users. For many areas of Italy, this may be a significant shift compared to present payment criteria, based on traditional rights, political prices, partial running cost coverage or others. The aim of this paper is to analyse the problem of water regulation in agriculture as applied to irrigation issues. This is made by setting up and testing a simulation model based on the integration of a mathematical decision making model at farm level and a principal agent model at the level of irrigation boards. The model allows to quantify water demand and the optimal regulation from the point of view of the policy maker. The results show major impacts of water availability and prices on farm income. The adoption of a mix of pricing instruments related at the same time to crop rotation, water consumption and pollution can significantly improve water policy efficacy.
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Опубликовано на портале: 31-12-2003
Cynthia Donovan, Linda Bailey, Edson Mpyisi, Michael Weber
Durban, 2003
In Rwanda for the past decade, rural households have lived with civil unrest and genocide, changing land laws, large population flows both into and out of the country, and climatic threats with droughts and floods. The illness and untimely death of prime age adults from a number of health problems (increasingly HIV/AIDS) adds to the stress of these households and has lasting effects on the ability of households to survive. In this research, the authors use household and member level survey data to increase understanding about what is happening in households with such shocks and how they may be different from other Rwandan rural households.

This research finds that households affected by adult illness and death strive to maintain their agricultural production, and work to avoid selling assets, yet some households appear to be in a downward spiral, losing assets and income earning potential. They rely heavily on social networks for labor and skills, but clearly these networks will be stretched beyond their means in any continuing epidemics. Female-headed households in particular struggle to find labor with neighbors or work more themselves. If special programs are developed for the affected families, focusing on increasing land and labor productivity fits into their own strategies. Since households with prime age death and disease appear to be similar to other Rwandan households in the poorest two quintiles, such programs would be beneficial to rural households in general, and possibly strengthen social networks through generalized agricultural and income growth.
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Опубликовано на портале: 11-12-2007
Ronald Philip Dore
Geneva: International Labor Organization, 2004, 85 с.
The Sixth Nobel Peace Prize Social Policy Lectures were given in Tokyo from 1 to 3 December 2003. Professor Ronald Dore, Associate Researcher at the London School of Economics delivered the series, which was organized in collaboration with Tokyo University and the ILO Office in Japan. The theme of the lectures was "New Forms and Meanings of Work in an Increasingly Globalized World". Ronald Dore, a Fellow of the British Academy and an Honorary Foreign Fellow of both the Japanese Academy and the American Academy of Arts and Sciences, is renowned for his pioneering work, analysing the transformation of labour markets in Japan and other industrial societies. The lectures focused on the evolution of work and relations at work with special reference to industrial societies. They were delivered in four separate sessions, and dealt with the following themes: (i) The pains and rewards of work in the twenty-first century; (ii) The concrete meanings of labour flexibility; (iii) The direction of social change and (iv) Global markets and national employment systems. Drawing on his academic contributions, spread over several decades, Dore discussed a range of analytically important issues concerning the course and the consequences of globalization within and across countries of the world. These issues included productivity growth, changes in working time, the transformation of workers’ interests into rights, the rise of individualism and metamorphosis of the bread-winner model, the division and fragmentation of the job-for-life model, the rising capital content of labour, flexibility as a tool for improving labour efficiency, the polarization of the workforce and the rise of income inequalities, the changing fortunes of the managerial class, the dilemma of reconciling social justice with meritocracy, competing models of capitalism, and the prospects for securing social justice in the face of rising inequalities. The lectures drew attention to a perceived trend in industrial societies towards a rising tolerance of inequalities. Globalization has always been associated with the rise of “market individualism” and a polarization of the workforce. As the pace of globalization has accelerated in recent years, the outcome has been rising inequality within labour markets. Quite significantly, this is accompanied by a rising tolerance of inequality, notably among the industrialized economies. The lecturer discussed whether this trend could be reversed through national economic and social policies. Even in an era of globalized markets, each country can still initiate a range of independent policy choices; the reach and effectiveness of these choices, however, tend to be circumscribed by the economic and cultural hegemony of industrially advanced economies.
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Опубликовано на портале: 30-11-2003
Paul Dorosh, Moataz El-Said, Hans Lofgren
2003
In Uganda, as in much of sub-Saharan Africa, poverty is concentrated in rural areas. Because agriculture accounts for a large share of incomes for these households, policies and external shocks that affect agriculture, including shifts in world prices, changes in agricultural productivity, and reductions in marketing costs, may have significant effects on rural poverty. In this paper, we use a Computable General Equilibrium (CGE) model of the Ugandan economy, explicitly designed to capture regional variations in agricultural production and household incomes, to examine the implications of these policy changes and shocks.

Simulation results suggest that a doubling of area planted to coffee (the government.s target) would increase rural consumption by less than 2.0 percent, because of an estimated 10 percent decline in the world price of robusta coffee and an 11.3 percent real exchange rate appreciation of the Ugandan shilling. Smaller productivity increases in food crops may have greater potential to raise rural incomes, provided that markets perform well and producer incentives are maintained. A five percent increase in agricultural productivity raises consumption by 1.3 to 2.1 percent among rural households and lowers food prices by 3.4 to 3.8 percent relative to the CPI, thus benefiting households with high food consumption shares. Reducing agricultural marketing margins by 30 percent leads to increases of 2.3 to 4.1 percent in consumption of farm households, with the largest gains in regions where consumption out of own production is lower.
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Опубликовано на портале: 24-10-2003
Leading scholars analyze a range of specific departures from general equilibrium theory which have significant implications for the macroeconomic analysis of both developed and developing economies. Jacques Drèze considers uncertainty and incomplete markets and Nobel Laureate Robert Solow relates growth theory to the macroeconomic framework. Other issues examined are the implications for macro-policy of new research, including Joseph Stiglitz's warning on the misplaced zeal for financial market liberalization which partly engendered the East Asian and Russian crises.
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Опубликовано на портале: 29-11-2003
W. Dunne, John J. O'Connell
2002
For decades the CAP has been the major influence in shaping EU agriculture and food production. The economic and policy environment in the EU is now very different from that which prevailed in the earlier decades. The future economic, social and geographic diversity of the EU will be further increased by enlargement. Agricultural policies and the related operational frameworks will inevitably change to accommodate this added diversity and the changing societal and consumer values. This paper evaluates how the current shape of EU agriculture has been influenced by the reforms to date. It also attempts to focus on where EU farming may be, or wish to go, over the next decade. The evaluation is restricted to the beef sector as it has been to the forefront in the policy reforms of the last decade and because the adjustments were inevitably complex due to the scale of the oversupply problems, the biological and market intricacies involved.

This evaluation concluded that the current EU beef policy is severely constrained with poor targeting of the income supports, high production costs, based on an administratively complex and expensive control system without any clear benefit to either society or taxpayer for a rather large expenditure. In the past, agricultural policy in the EU was primarily driven by the need for a secure food supply and with the objective of sustaining the economic and social needs of farmers. But, in the well fed and affluent EU society of the 21 st century, agricultural policy will be mainly driven by the economic and social goals which are rapidly changing. This society places a declining value on extra units of food production, but an increasing value on any public goods consumed in the production process. As a consequence, the mix of agricultural production and public goods that this society is prepared to support financially is changing rapidly. The level and components of farm incomes in the EU in the 21 st century will reflect these changes. Farm revenue will likely consist of a mix of payments for conventional agricultural products and public goods. The public good payments will be conditional on the level and type of inputs used, farming practices, types of products produced and a societal vision of the role of farming. This will affect production costs, scale of operation and the future configuration of agriculture and rural society. To meet this evolving situation the paper also develops and outlines a multi-commodity framework by which the EU could reorient its direct payment (DP) system to incorporate a range of public good values to the mutual benefit of consumers, taxpayers and farmers.
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Опубликовано на портале: 29-11-2003
Pierre Dupraz, Isabel Vanslembrouck, Francois Bonnieux, Guido Van Huylenbroeck
2002
This paper examines the factors influencing farmers' participation in several agri-environmental schemes. A multinominal logit model is used to separate between participating and nonparticipating farmers. In addition this model allows to predict farmers participation in one measure as well as in different measures simultaneously. Data stems from a survey conducted in eight European countries and includes a description of both farmer and farm characteristics. Three categories of schemes have been analysed: landscape maintenance, biodiversity protection and restriction of intensive farming practices. The combination of these three types of schemes provides eight possible packages which can be selected by eligible farmers.

The multinominal logit model shows the importance of both farm and farmer as well as attitudinal characteristics on the participation in different combinations of schemes. For instance, the environmental concern favours landscape maintenance and biodiversity protection as well as their combinations with schemes requiring restrictions of intensive practices. However, it has a negative effect on the single participation in schemes requiring restrictions of intensive practices only. Our analysis confirms a number of previous findings. In addition, it shows the importance for policy makers to take into account that farmers have the opportunity to enter several schemes simultaneously. Indeed, due to cost complementarities, joint participation provides both private and public benefits.
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Опубликовано на портале: 28-05-2008
Geert Duysters, John Hagedoorn
1996
This paper contributes to the understanding of the importance of dynamic firm capabilities for corporate performance in isolating the effect of core competences on the performance of companies. It discusses and tests the assumed relation between core competences and economic performance, including the effect of the external appropriation of these competences through mergers and acquisitions as well as through strategic technology alliances. A major conclusion is that, particularly in high-tech sectors, a specific set of endogenous technological core capabilities is needed to generate performance differentials. Also, the external appropriation of competences does not seem to be an easy solution through which companies can improve their existing capabilities.
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Опубликовано на портале: 31-03-2005
Karin Eckstein, Helmut Hoffmann, Jutta Gloeggler
2004
In the context of the mid-term evaluation of rural development programmes (EU regulation 1257/99) the Bavarian agri-environmental programme, the so-called Kulturlandschaftsprogramm Part A” (KULAP-A), was evaluated. By means of this programme, only agricultural land related measures are supported. The measures may refer to the whole agricultural enterprise, parts of it or the individual plot. The guideline of the EU-commission demand analysis about the effects of the programme on biotic and abiotic environmental resources such as soil, water, species and their habitat and landscape. This paper focuses on the results concerning the protection of soil erosion and water contamination. For this, statistical data corresponding the supported measures were analysed. Additionally a survey of farmers participating and non-participating at the programme was conducted. In this study the dead-weight-effect is discussed as an effect which can be excluded in cases when: due to the programme an intensification of management is prevented, a low intensive management is reached or the abandonment of farming could at least be delayed.
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Опубликовано на портале: 04-01-2004
Sone Ekman
Zaragoza, 2002
This paper evaluates the consequences of considering environmental and economic risk in the analysis of cost-effective nitrogen abatement options in crop production. A farmlevel mathematical programming model incorporating nitrogen leaching variability, field time variability, yield variability, and output price variability is developed.

The empirical results reveal that requiring a high reliability with respect to a desired abatement target can be extremely costly, due to the high variability of nitrogen emissions. It appears to be sufficient to reduce average nitrogen load in order to reduce the environmental risk associated with nitrogen leaching variability, since a change to crops with lower average load also results in lower variability of nitrogen emissions. A farmer’s degree of risk aversion has some effect on the economically optimal choice of crop mix. However, it is more important to consider the utilisation of machinery and labour resources and crop rotation effects, than considering risk aversion.
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Опубликовано на портале: 02-03-2004
Robert F. Engle, Mark W. Watson
Cambridge, Mass: Cambridge University Press, 1994
This paper provides a synthesis of concepts and materials that ordinarily appear separately in time series and econometrics literature, presenting a comprehensive review of both theoretical and applied concepts. Perhaps the most novel feature of the paper is its use of Kalman filtering together with econometric and time series methodology. From a technical point of view, state space models and the Kalman filter play a key role in the statistical treatment of structural time series models.
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Опубликовано на портале: 05-01-2003
Carolyn Erdener
2003
This paper focuses on managerial ethics research from an intercultural and international business perspective. This new and highly complex research area remains under-researched in comparison with other fields of study in international business management. The paper begins with an overview of a number of exploratory empirical analyses of ethical decision making among comparable groups in Asia, Europe, Latin America and North America. Recommendations derived from a critical evaluation of these pilot studies are then incorporated into the design of a large-scale cross-sectional empirical analysis of managerial and economic ethics across socioeconomic and cultural environments. Specific suggestions for sample selection, integration of qualitative and quantitative approaches, and instrumentation are included.
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Опубликовано на портале: 28-11-2003
Emil Erjavec, Stanko Kavcic
2002
This paper's aim is an assessment of economic effects of Slovenia’s accession to the EU in the field of agriculture and a discussion about some key dilemmas about the introduction of CAP in the new member states. For the purpose of assessing economic effects, a new sectoral model of Slovenian agriculture APAS-PAM has been compiled which allows assessment of market and income effects for ten key agricultural products with regard to various accession scenarios. The accession under the scenario of equal treatment of new member states would bring significant improvements in the aggregate income levels. On the other hand, discrimination of the candidate countries in the field of direct payments (“phasing in” process) would result in a fall of aggregate income level by an eighth. Moreover, noncompetitive production structures in the food-processing sector would deteriorate the economic situation of agricultural production by up to further 40 %. The positive effects of different accession scenarios are expected in the sugar beet and - under assumption of eligibility for direct payments - also in coarse grains, beef and sheep meat production. The economic situation in milk production is not expected to change significantly. The negative accession effects can be expected in pigmeat, cereal, egg and, potentially, poultry production. The results reveal a great significance of the equal treatment and differentiation approach to negotiation process for the preservation of the economic situation of Slovenian agriculture after accession. This holds especially for cereal, beef and sheep meat production.
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