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Всего публикаций в данном разделе: 18

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 EF 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: 30-11-2003
Ma Lucila A. Lapar, Garth Holloway, Simeon K. Ehui
2003
Identifying ways to increase market participation by smallholder producers requires identifying variables that influence market access. This is usually achieved using probit estimation. An important phenomenon affecting entry decision-making is the entry decision of a "similar" household, where similarity is measured in terms of "location". When neighborhood influences are significant, it is important to allow for them in discrete decision contexts, such as probit estimation. This paper, therefore, assesses the magnitude of neighborhood influences in smallholder decisions concerning market entry. The empirical model is based on a cross-section of (110) farms situated in northern Philippines, visited (twice) in the 2000-2001 production year (a panel of 220 observations). The vehicle for analysis is a Bayesian formulation of a standard probit model, but one that allows for spatial autoregression in the decision vector. Estimation requires a Metropolis- step addition to a basic Gibbs sampling algorithm and generates useful insights concerning quantities that are important for market-access policy.
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Опубликовано на портале: 29-03-2005
Heinz Wendt, Josef Efken, Inge Uetrecht, Albert Regine
2004
Beside other measures the framework of regulation 1257 (EC)/1999 offered the possibility to implement promotion schemes in food processing and marketing (Art. 25-28). The regulation also claims an evaluation of such measures geared to guidelines formulated through the EUCommission for this purpose. The EU, therefore, has been defined two types of common evaluation questions: chapter specific questions and cross cutting questions. In order to answer these questions a methodological IT-based approach and questionnaire was developed. The methodological approach is presented in detail and also important factors affecting the process of implementation to get sufficient support throughout all stages and authorities involved. First results indicate the intentions of the investors so far and mainly reflect the potential of the database gained through the questionnaire such as detailed breakdown of aims of the supported investments, indicators for competitiveness and a first attempt to get an aggregate measure to assess envisaged aims.
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Опубликовано на портале: 29-11-2003
Wusheng Yu, Thomas W. Hertel, Paul Preckel, James Eales
2002
Projections of world food demands hinge critically on the underlying functional form used to predict future demands. Simple functional forms can lead to unrealistic projections by failing to capture changes in income elasticities of demand as consumer becomes wealthier. This paper compares several demand systems in the projection of disaggregated food demand across a wide range of countries with different income levels using a global general equilibrium model. We find that the recently introduced AIDADS system represents a substantial improvement over existing demand systems currently in use in CGE modeling. In particular, our projection results show that for relatively poor regions experiencing rapid income growth, the widely used LES and CDE demand systems tend to over-predict growth in consumer demand, and hence import and output requirements for food products and under-predict that for non-food products, compared to the AIDADS system. On the other hand, for high-income regions with modest income growth, the choice of functional form is less critical.
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