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Всего публикаций в данном разделе: 80

Книги

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:
все 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 TU V W XY Z
 

Опубликовано на портале: 11-12-2002
Morten Huse, Hans Landstrom
2002
Boards of directors and corporate governance debates have been highly focused in the business press and even in research, but few universities offer courses on these topics. In this paper a research and teaching model is introduced, and we will show some examples of how such courses may be designed and how they relate to research. Examples are given for executive courses, undergraduate courses and graduate courses. The paper concludes by presenting the second international doctoral course on governance in SMEs.
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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: 31-12-2003
Laure Latruffe, Kelvin Balcombe, Katarzyna Zawalinska, Sophia Moissey Davidova
Durban, 2003
The technical and scale efficiency of Polish farms is analysed, using Data Envelopment Analysis. Efficiency differences are measured according to farm specialisation, in crop or livestock, at two points in time during transition, 1996 and 2000. The statistical variability of efficiency estimates is investigated. The efficiency results are reviewed in the light of confidence intervals provided by bootstrapping and of a summary measure introduced in this study ‘the coefficient of separation’. The inference analysis suggests that farms might be less efficient than revealed by the point estimates alone, and that they might not be clearly different from each other.
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Опубликовано на портале: 25-12-2002
Andrea Bonaccorsi, Paola Giuri, Francesca Pierotti
2001
The paper studies the relations between technological strategies and market success of firms, through an empirical analysis of the commercial aero-engine industry since 1948 to 1997 detailed at the level of competition among single firms products. It uses a multidimensional measure of technical progress through Data Envelopment Analysis (DEA) for measuring technological performances of single products and firms and data on sales of each product over time for representing market success. The paper confirms the existence of heterogeneity of firms technological strategies and draws some main conclusions with respect to strategies of convergence and divergence from the technological frontier, first mover advantage and survival of inefficient products.
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Опубликовано на портале: 29-11-2003
Steen Koekebakker, Gudbrand Lien
2002
Empirical evidence suggests that agricultural futures price movements have fat-tailed distributions and exhibit sudden and unexpected price jumps. There is also evidence that the volatility of futures prices contains a term structure depending on both calendar-time and time to maturity. This paper extends Bates (1991) jump-diffusion option pricing model by including both seasonal and maturity effects in volatility. An in-sample fit to market option prices on wheat futures shows that our model outperforms previous models considered in the literature. A numerical example illustrates the economic significance of our results for option valuation.
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Опубликовано на портале: 31-12-2003
Klaus Salhofer, Erwin Schmid, Герхард Штрейхер, Friedrich Georg Schneider
Durban, 2003
The study evaluates the efficiency of government intervention using a vertical structured model including imperfectly competitive agricultural input markets, the bread grain market, and the imperfectly competitive food industry. To test for policy efficiency the actually observed bread grain policy is compared to a hypothetical efficient policy. To account for the sensitivity of the results in regard to the model parameter values computer-intensive simulation procedures and surface response functions are utilized.
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Опубликовано на портале: 30-11-2003
Yves Surry, Rabelais Yankam Njonou, Bruno Henry De Frahan
2002
This study has used a corrected likelihood ratio, with AIDS and Rotterdam demand models, to test separability in three separable (A, B, C) wheat import demand structures on the French common wheat market. It appears from the study that the three separable Rotterdam structures are accepted by the test, while only two of them (B and C) are accepted in the case of AIDS at 5% level of significance. Meanwhile, model B seems to be more indicated in demand analysis with AIDS since it is the only one accepted at 15% level of significance. The results obtained demonstrate not only the necessity to test separability in demand structures, but also the necessity to know how the allocation models can be used for demand analysis purpose. The study has also shown a great difference in econometric results for AIDS and Rotterdam and pose once more the issue of the choice of a functional form in demand analysis.
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Опубликовано на портале: 05-12-2003
В 1984 году английский экономист Сэр Ричард Стоун получил премию памяти Альфреда Нобеля по экономике за вклад в развитие систем национального счетоводства и разработку базы для эмпирического экономического анализа. Данная публикация представляет собой его нобелевскую лекцию. В ней автор рассказал основные аспекты теории национальных счетов, включая её историю и роль в экономическом анализе, а также виды и способы построения. Лекция написана простым английским языком. Она находится в открытом доступе на официальном сайте.
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Опубликовано на портале: 29-11-2003
Carlo Bernini Carri, Maria Sassi
2002
The paper explores the phenomenon of agricultural convergence on regional base within the EU economic cohesion that has always been and still remains one of the mainstay of the EU building process (EU, 1997). A crucial issue is the theoretical and empirical testing of a catching up process, that is a faster growth of the poor countries (regions) than that of the rich ones. The literature on this topic has strengthened recently, but it is mainly referred to economic convergence undermining the importance of the process in the agricultural sector. The relevance mainly refers to the role of the Common Agricultural Policy (CAP). It is the only European policy thought and managed at overnational level with the specific object to overcome the deep agricultural structural disparities within the Member States. This process has been considered fundamental to reach the agricultural and thus economic European integration. Moreover, the interrelationship (if any) between agricultural and economic convergence is of potential interest given that the nature of structural change within agriculture is likely to shaped by broader economic conditions (especially the state of local labour markets).

Thus, the paper first explores the process of agricultural and economic convergence using EU data on real Gross Domestic Product per capita and real Gross Agricultural Value Added per agricultural Work Unit at the level of NUTS 2 regions for 1982,1986 and 1994. Then, it analyses whether: - The intensity of the convergence process in the agricultural sector has been strong enough to promote a decrease in the gap between the agricultural and the economic performance; - The agricultural and economic process of convergence are related on territorial base. Policy implications are not analysed because data at regional level are not available. In literature, the results of testing convergence hypothesis are mixed and strongly dependent on the methodologies applied, the level of analysis, and the explanatory variables adopted (Bernini Carri, Sassi, 1998).
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Опубликовано на портале: 24-12-2003
Steven Franzel, Donald Phiri, Paramu Mafongoya
Durban, 2003
Although there is increasing emphasis on targeting of improved technology towards poor and female farmers, few adoption studies assess the uptake of new practices by these groups in a comprehensive manner.

In this study, community members used the wealth ranking method to identify the different wealth groups in their communities, to determine each household.s wealth status, and to assess the association of wealth and different types of households with the planting of improved tree fallows, a practice for improving crop yields. There were no significant differences between the proportions of women and men planting improved fallows nor were there differences between single women and female heads of households who were married. There was some evidence of association between planting improved fallows and wealth. That 22% of the .poor. group and 16% of the. very poor. group were planting them suggests that there are no barriers preventing low-income households from doing so. Moreover, the proportion of females, poor, and very poor people planting improved fallows varied considerably among villages, suggesting that opportunities exist for increasing their use of the technology. Whereas the use of mineral fertilizer is strongly associated with high- income, male farmers, improved fallows appear to be a gender-neutral and wealth-neutral technology. Poor farmers appreciate improved fallows because they permit them to substitute small amounts of land and labour for cash, their most scarce resource. Finally, the high degree of consistency among different key informants in classifying households among wealth groups confirmed the effectiveness and accuracy of the wealth ranking exercise.
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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: 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: 05-01-2003
Rafael Andreu, Sandra Sieber
2003
In todays competitive landscape organizational learning and knowledge management initiatives are emerging of powerful sources of competitive advantage. In this paper, the researches report on the design and expected result of a survey on knowledge management, which has been designed putting special emphasis on the interplay between the technical and non-technical aspects of learning and knowledge management initiatives. Questionnaires have been sent to 1100 firms from 11 industries in Spain, in order to be able to conduct both intra- and inter-industry analysis. In addition, in order to enrich the results, in-depth interviews was going to be held with selected companies. This allowed the authors to report on (1) what knowledge management initiatives was planned and carried out, (2) the role of technology in these initiatives, (3) the role of non-technical aspects like career planning and human resource policies, (4) the perceived effectiveness of the initiatives, and (5) the main underlying causal dynamics at work.
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Опубликовано на портале: 30-11-2003
Annalisa Zezza
2002
The paper analyzes the changes that have taken place in the nature of agriculture information and their consequences on the public role of related public services with specific regard to process undergoing in the European Union. Increased interest in food quality and food safety issues in a global consumer driven society, together with major attention to environmental and ethical issues related to food production, enlarge both the object of agricultural information and the audience of stakeholders in the food chain and in the general public. Information policy with regard to a multifunctional approach to agriculture, can be finalized to correct three main sources of market failures as access to information, quality and adverse selection and externalities and provision of public goods. The privatization of agricultural research and extension, although useful from the point of view of economic efficiency, poses a number of threats to the development of knowledge for sustainable agriculture. If the public sector decides to move away from the delivering of services, public action can still be relevant in orienting, targeting, regulating and funding in win-win solutions where the advantages of public extension, as open access and evaluation of social priorities, join efficiency and market orientation of the private sector.
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Опубликовано на портале: 30-11-2003
Javier Fernandez
2002
This paper focuses on the consequences that an extension of the Common Agricultural Policy could have on agricultural production in the Central and Eastern European Countries. It reviews the evidence presented by recent attempts to quantify the potential impacts of accession on production levels in the CEECs. It also takes into account results from previous studies in order to analyse the importance that structural constraints might have on the capacity of the CEECs' agricultural sectors to respond to supply incentives under accession to the EU, and to examine some research questions that are still unanswered in relation to the supply potential of the CEECs. Some conclusions and policy recommendations are drawn at the end.
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