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Всего публикаций в данном разделе: 39

Авторы:
А Б В Г Д Е Ж З И ЙК Л М Н О П Р С Т У Ф Х Ц Ч Ш Щ Э Ю Я
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
 
Названия:
все А Б В Г Д Е Ж З И ЙК Л М Н О П Р С Т У Ф Х Ц Ч Ш ЩЭ Ю Я
5 A B C D E F G H I J K L M N O P Q R ST U V W XY Z
 

Опубликовано на портале: 12-12-2003
Eduardo Segarra, Daniel G. de la Torre Ugarte, Jaime Malaga, Gary W. Williams
Durban, 2003
A non-linear optimization model which maximizes total Ecuadorian social welfare, defined as the sum of Consumers’ and producers’ surpluses for the four major crops (corn, bananas, rice and African palm) is developed to evaluate the tradeoff between welfare and environmental degradation in Ecuador. It was found that a total welfare loss of US$122 million (a 11 percent reduction - from US$ 1.112 billion to US$ 989.66 million) would be expected from a 30 percent reduction in the total pesticide load on the environment in the production of the four major crops. The distributional impacts of the welfare loss were found, however, to be significantly skewed toward the loss of consumers’ surplus. Specifically, a 30 percent reduction of total pesticide load on the environment would result in a reduction of 3.86 percent of producers’ total surplus while consumers would be expected to loose 19.46 percent of their total surplus.
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Опубликовано на портале: 29-11-2003
Guirao Perez, Cano Fernandez, Lopez M.I. Yurda, Rodriguez Donate
2002
In this paper we measure the impact of an individual’s socioeconomic conditions on the decision to consume wine in a traditionally wine-producing area. Based on the data obtained in an exhaustive survey on wine consumption and through discrete choice models, we assess the changes which come about in the decisions to consume the different types of wine under consideration, and we obtain the most relevant distinctive and differentiated characteristics for each one of them.
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Опубликовано на портале: 30-11-2003
Stephen G. Mbogoh, Florence M. Wambugu, Sam Wakhusama
2003
This article is based on a socio-economic impact study of the introduction and adoption of tissue-culture (tc) technology in banana production in Kenya. It attempts to demonstrate that a prudent introduction and promotion of a new biotechnological innovation in farming can make a positive contribution to the socio- economic status of resource poor farmers in a developing country, such as Kenya. Adoption of tc technology in banana production in Kenya is considered a good example of biotechnological applications in agriculture. Hence the article hopes to make a contribution to recent debates at international levels as to whether biotechnology can make a difference in uplifting the living standards of people in the third world (Qaim, 1999; Graff, et al 2002; Qaim, et al 2002) by showing that it actually does so, using experiences from Kenya. The study utilizes both primary and secondary data sources. The results show that tc-banana production is relatively more capital intensive than non-tc banana production (re: about 70% fixed costs for tc banana versus about 49% fixed costs for non-tc banana). However, tc-banana production is found to offer relatively much higher financial returns than non-tc banana production. The high profitability of tc-banana production relative to traditional (non-tc) banana production and other farm enterprises in the pilot tc-banana project area in Kenya demonstrates the importance of biotechnological applications in rural development and shows that biotechnology can make a difference in uplifting the living standards of people in the third world. Therefore, efforts to promote tc-banana production in Kenya are justifiable from both food security and economic criteria.
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Опубликовано на портале: 29-11-2003
Ana M. Angulo, Jose Maria Gil, Jesus Mur
2002
In this paper, the Spanish demand for food away from home is analysed. A panel data set is built and appropriate techniques for estimating limited dependent variable models have been applied. Results indicate that where there are zero expenditures, these are largely due to infrequency of purchase rather than to abstention or to economic reasons. Furthermore, important differences appear among households. On the one hand, those households whose head is a highly-educated person, male, young and living on a salary in a large town are more likely to purchase food away from home. On the other hand, increases in income only provokes more than proportional increases in expenditure for those households headed by an unschooled person, a female or a person older than 55 and also for those households with more than half of its members older than 60 years.
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Опубликовано на портале: 12-12-2003
Steven J. Staal, Dannie Romney, Isabelle Baltenweck, Michael Waithaka
Durban, 2003
Although soil fertility is recognized as a primary constraint to agricultural production in developing countries, use of fertilizer in Sub-Saharan Africa is declining. Smallholder farmers still rely heavily on livestock manure for soil fertility management. To explore the determinants of soil fertility management practices, including both the use of cattle manure and inorganic fertilizer, data are used from a sample of 3,330 geo-referenced farm households across Central and Western Kenya. A bivariate probit model is applied to jointly examine the use of the two technologies. Particular attention is given to measures of location related to market access and agroclimate, which in the adoption literature have typically been addressed using crude proxies. To avoid such proxies, GIS-derived variables are integrated into the household decision model. Their use also allows the spatial prediction of uptake based on parameter estimates. The results show clearly the derived-demand nature of soil fertility services, based on markets for farm outputs. They also illustrate that supply of manure for soil fertility amendments is conditioned by demand for livestock products, especially milk. The integration of GIS-derived variables is shown to better estimate the effects of location than the usual measures employed, and offers scope to wider use in technology adoption research.
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Опубликовано на портале: 29-11-2003
Richard Howitt, Arnaud Reynaud
2002
In this paper we develop a dynamic data-consistent way for estimating agricultural land use choices at a disaggregate level (district-level), using more aggregate data (regional-level). The disaggregation procedure requires two steps. The first step consists in specifying and estimating a dynamic model of land use at the regionallevel. In the second step, we disaggregate outcomes of the aggregate model using maximum entropy (ME). The ME disaggregation procedure is applied to a sample of California data. The sample includes 6 districts located in Central Valley and 8 possible crops, namely: Alfalfa, Cotton, Field, Grain, Melons, Tomatoes, Vegetables and Subtropical. The disaggregation procedure enables the recovery of land use at the district-level with an out-sample prediction error of 16%. This result shows that the micro behavior, inferred from aggregate data with our disaggregation approach, seems to be consistent with observed behavior.
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Опубликовано на портале: 16-03-2010
Джордж Акерлоф, Роберт Шиллер
Москва: Альпина Бизнес Букс, 2010, cерия "Экономика для неэкономистов", 273 с.
В книге нобелевского лауреата по экономике Джорджа Акерлофа и профессора Йельского университета Роберта Шиллера рассказывается об особенностях человеческого поведения, которые влияют на макроэкономические процессы. Эти особенности до сих пор недостаточно учитывались теми, кто определяет экономическую политику государств, в результате чего периодически происходят более или менее серьезные финансовые сбои — депрессии, перегрев рынков и т.д. Хотя авторы описывают ряд сложных макроэкономических механизмов, в целом книга будет понятна самому широкому кругу читателей, потому что с этими свойствами человеческой психики каждый неоднократно сталкивался в повседневной жизни.
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Опубликовано на портале: 29-11-2003
Jens-Peter Loy, Christoph Weiss
2002
Only a few studies have analysed staggering and synchronisation in pricing behaviour of multi-product firms. These studies used low-frequency data in an environment of high rates of inflation. This paper investigates staggering and synchronisation of weekly prices for ten food products in 131 grocery stores in Germany over the period from May 1995 to December 2000 (296 weeks). Different forms of staggering and synchronisation (across-store synchronisation, within type-of-store synchronisation, within retailer synchronisation or across-product synchronisation) have been analysed. None of these forms of synchronisation is supported empirically however. In contrast, perfect staggering can only be rejected in very few cases.
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Опубликовано на портале: 20-04-2007
Bruce R. Hopkins
Hoboken, NJ: John Wiley & Sons, 2005, 342 с.
Whether you are a nonprofit novice or the director of an established organization, this must-have guide to nonprofit law contains all the information you need to succeed, thrive, and protect your nonprofit's tax-exempt status. This practical reference offers you information on virtually every legal aspect of starting and operating a nonprofit organization—from receiving and maintaining tax-exempt status to tips for successful management practices. Completely revised and expanded, the fourth edition features updated information on changes in law, rules, and regulations governing the nonprofit sector, and provides you with clear information on corporate, tax, and fundraising laws
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Опубликовано на портале: 02-03-2004
Orley C. Ashenfelter, David Zimmerman, Philip Levine
New York: John Wiley & Sons, 2002, 600 с.
Guide makes these tools accessible and easy to understand by bringing issues to life with persuasive, real life applications to real economic problems. Every major econometric method is illustrated by a persuasive, real life example applied to real data. Explores subjects such as sample design, which are critical to practical application econometrics.

Опубликовано на портале: 19-04-2007
Douglas Gale
Cambridge, UK and New York: Cambridge University Press, 2000, 232 с.
The theory of competition has held a central place in economic analysis since Adam Smith. This book, written by one of the most distinguished of contemporary economic theorists, reports on a major research program to provide strategic foundations for the theory of perfect competition. Beginning with a concise survey of how the theory of competition has evolved, Gale makes extensive and rigorous use of dynamic matching and bargaining models to provide a more complete description of how a competitive equlibrium is achieved. Whereas economists have made use of a macroscopic description of markets in which certain behavioral characteristics, such as price-taking behavior, are taken for granted, Gale uses game theory to re-evaluate this assumption, beginning with individual agents and modelling their strategic interaction. A strategic foundation for competitive equilibrium shows how such interaction leads to competitive, price-taking behavior. Essential reading for graduate courses in game theory and general equilibrium
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Опубликовано на портале: 19-04-2007
Marius Leibold, Gilbert J. B. Probst, Michael Gibbert
London: Wiley, 2006, 355 с.
Due to the dramatic shifts in the knowledge economy, this book provides a significant departure from traditional strategic management concepts and practice. Designed for both advanced students and business managers, it presents a unique combination of new strategic management theory, carefully selected strategic management articles by prominent scholars such as Gary Hamel, Michael Porter, Peter Senge, and real-world case studies.
On top of this, the authors link powerful new benchmarks in strategic management thinking, including the concepts of Socio-Cultural Network Dynamics, Systemic Scorecards, and Customer Knowledge Management with practical business challenges and solutions of blue-chip companies with a superior performance
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Опубликовано на портале: 13-02-2007
Prajit K. Dutta
Massachusetts: MIT Press, 1999, 476 с.
Game theory has become increasingly popular among undergraduate as well as business school students. This text is the first to provide both a complete theoretical treatment of the subject and a variety of real-world applications, primarily in economics, but also in business, political science, and the law. Strategies and Games grew out of Prajit Dutta's experience teaching a course in game theory over the last six years at Columbia University.
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Опубликовано на портале: 12-12-2003
John Pender, Ephraim Nkonya, Pamela Jagger, Dick Sserunkuuma, Henry Ssali
Durban, 2003
This paper estimates a structural econometric model of household decisions regarding income strategies, participation in programs and organizations, crop choices, land management, and labor use, and their implications for agricultural production and land degradation; based upon a survey of over 450 households and their farm plots in Uganda. The results generally support the Boserupian model of population-induced agricultural intensification, but do not support the .more people-less erosion. hypothesis, with population pressure found to contribute to erosion in the densely populated highlands. Agricultural technical assistance programs have location-specific impacts on agricultural production and land degradation, contributing to higher value of crop production in the lowlands, but to soil erosion in the highlands. By contrast, NGO programs focusing on agriculture and environment are helping to reduce erosion, but have mixed impacts on production. We find little evidence of impact of access to markets, roads and credit, land tenure or title on agricultural intensification and crop production, though road access appears to contribute to land degradation in the highlands. Education increases household incomes, but also reduces crop production in the lowlands. We do not find evidence of a poverty-land degradation trap, while poverty has mixed impacts on agricultural production: smaller farms obtain higher crop production per hectare, while households with fewer livestock have crop production. These findings suggest that development of factor markets can improve agricultural efficiency. Several other factors that contribute to increased value of crop production, without significant impacts on land degradation, include specialized crop production, livestock and nonfarm income strategies, and irrigation. In general, the results imply that the strategies to increase agricultural production and reduce land degradation must be location-specific, and that there are few .win-win. opportunities to simultaneously increase production and reduce land degradation.
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Опубликовано на портале: 23-11-2007
Daniel L. McFadden, Charles F. Manski
Cambridge: The MIT Press, 1981
This volume deals with parametric statistical inference on structural conditional probability models in which some or all of the endogenous variables are discrete valued. Within this broad theme the models posed and inferential questions addressed arise out of each author's work in econometric analysis. Taken together, these chapters provide a methodological foundation for the analysis of economic problems involving discrete data and chart the current frontiers of this subject. Some chapters are also relevant to other literatures concerned with structural analysis of discrete data: biometrics, psychometrics, sociometrics, discrete multivariate analysis, and applied subjects such as finance, marketing, geography, and transportation. Workers in these areas will recognize that econometric methods for discrete data analysis have benefited from their own literatures. This volume is intended to be useful not only for econometricians but also for the wider community of researchers involved in the structural analysis of discrete data.
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