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Designing choice experiments to incorporate tests for geographic scale and scope differences AgEcon
Rolfe, John; Windle, Jill; Bennett, Jeffrey W..
Designing a choice modelling (CM) experiment to place a value on increasing protection of the Great Barrier Reef (GBR) raises complex issues. The size and diversity of the GBR, and the number of different pressures impacting on it, mean protection and improvement scenarios can be drafted in several different ways. This report discusses some of the considerations in selecting, describing and combining choice attributes. It also looks at how to incorporate tests for geographic scale (size) and scope (complexity) differences into the design of the CM survey instrument. The potential to include information about management options designed to achieve increased protection, and the associated risk and uncertainty, is also discussed.
Tipo: Report Palavras-chave: Choice modelling; Scale; Scope; Coral reef; Environmental Economics and Policy; Research Methods/ Statistical Methods.
Ano: 2008 URL: http://purl.umn.edu/94802
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Exploring Scope and Scale Issues in Choice Modelling Design AgEcon
Rolfe, John; Wang, Xuehong.
The key tasks in the design of a choice modelling (CM) experiment are to define the scope, scale and frame of the tradeoffs presented to respondents. This study explores the scale and scope of choice tasks and then develops definitions of these terms. The scope of a good in a stated preference experiment refers to the dimensions used to define the good as well as the tradeoffs involved. The scale refers to the quantities involved. The framing refers to the context in which the choices are made. The discussion helps identify issues when setting the contingent market for a choice experiment.
Tipo: Report Palavras-chave: Choice modelling; Scale; Scope; Framing; Embedding; Environmental Economics and Policy; Research Methods/ Statistical Methods.
Ano: 2008 URL: http://purl.umn.edu/94806
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Issues of scale and scope in bio-physical modelling for natural resource management decision making in New South Wales AgEcon
Hill, Christine M.; Farquharson, Robert J.; Ferrier, Simon; Grieve, Alastair.
Natural resource management decision making by Catchment Management Authorities in NSW is being aided by a project involving bio-physical modelling and the development of an alternative decision-making framework. The objective of the bio-physical modelling process is to generate predictions of environmental or natural resource outcomes rather than project outputs. These outcomes can then be used in an investment framework to help priority setting and project decision making. Questions that arise in bio-physical modelling include those relating to scale and scope. Scale issues include how to address the landscape impacts of particular (or a series of local) on-ground works proposals. Scope issues include assessment of multiple-attribute responses to...
Tipo: Conference Paper or Presentation Palavras-chave: Environmental benefits; Bio-physical models; Scale; Scope; Investment decisions; Resource /Energy Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/10427
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Scale, Scope, and Specialization Effects on Retailers’ Procurement Strategies: Evidence from the Fresh Produce Markets of São Paulo AgEcon
Mainville, Denise Y.; Reardon, Thomas; Farina, Elizabeth Maria Mercier Querido.
Worldwide, the emergence of large supermarket chains in food retail markets is often associated with the marginalization of smaller retailers. A notable exception exists in Brazil, however, where small retailers have held their place in the market and recently even gained ground. The literature investigating how retail concentration has affected agrifood chains has focused activities of the largest retail chains, implicitly holding the scale, scope and specialization of retailers’ input needs constant, and overlooking the influence of these factors on retailers’ procurement strategies. This paper tests hypotheses regarding these variables’ effects on retailers’ fresh produce procurement strategies. Data is drawn from a survey of retailers in metropolitan...
Tipo: Journal Article Palavras-chave: Scale; Scope; Specialization; Procurement strategy; Fresh produce; Retail; Political Economy; L22.
Ano: 2008 URL: http://purl.umn.edu/61282
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Scale, scope, and specialization effects on retailers’ procurement strategies: evidence from the fresh produce markets of São Paulo Rev. Econ. Sociol. Rural
Mainville,Denise Y.; Reardon,Thomas; Farina,Elizabeth M.M.Q..
Worldwide, the emergence of large supermarket chains in food retail markets is often associated with the marginalization of smaller retailers. A notable exception exists in Brazil, however, where small retailers have held their place in the market and recently even gained ground. The literature investigating how retail concentration has affected agrifood chains has focused activities of the largest retail chains, implicitly holding the scale, scope and specialization of retailers’ input needs constant, and overlooking the influence of these factors on retailers’ procurement strategies. This paper tests hypotheses regarding these variables’ effects on retailers’ fresh produce procurement strategies. Data is drawn from a survey of retailers in metropolitan...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scale; Scope; Specialization; Procurement strategy; Fresh produce; Retail.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-20032008000100009
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SOCIAL AND SCALE EFFICIENCY GAINS DUE TO VERTICAL INTEGRATION IN THE U.S. HOG SECTOR AgEcon
Helmers, Glenn A.; Shaik, Saleem; Atwood, Joseph A..
Using a non-parametric linear programming approach, our contribution is (1) to examine if efficiency gains in hog production are realized due to vertical integration and (2) to demonstrate the efficiency gains that are realized are a product of economies of scope and scale. The model uses U.S. hog sector data for the period, 1982-1997. Results indicate efficiency gains are realized due to vertical integration and can be explained by scope and scale efficiency gains. The t-test at the 5% level of significance indicates the mean overall efficiency gains; scope efficiency gains and scale efficiency gains are significantly different from one.
Tipo: Conference Paper or Presentation Palavras-chave: Nonparametric linear programming approach; Vertical integration; Scale; Scope; Efficiency gains; U.S. Hog sector; Industrial Organization; O3; C6; Q1.
Ano: 2003 URL: http://purl.umn.edu/35143
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The changing paradigm of rural governance AgEcon
Guido, Valeria Agustina; Rodriguez, Maria Soledad.
The following document will approach the analysis of the Provincial Agricultural Services Program, PROSAP, as a tool to promote the sustainable development of agriculture, taking into consideration the economic and social needs, with a strong regional and territorial insertion. The purpose is to go beyond the prospects of the sector, identifying the changes in the management of public policies for the agricultural area through the PROSAP. Although a new governance paradigm with larger consensus and more coordination is foreseen, its institutionalization will face frictions, difficulties and challenges.
Tipo: Conference Paper or Presentation Palavras-chave: Agricultural Policy - Structure; Scope; And Performance of Government; Community/Rural/Urban Development; Q18; H11.
Ano: 2010 URL: http://purl.umn.edu/94909
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