CAPRI
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capri:concept:market [2011/10/04 08:02] – wolfgangbcapri:concept:market [2011/10/04 08:14] – wolfgangb
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-      <P><B>Import prices</B> are derived from domestic prices of the exporter by adding fixed per unit transport costs and ad-valorem and specific tariffs. Some of the tariffs+      <P><B>Import prices</B> are derived from domestic prices of the exporter by adding fixed per unit transport costs and ad-valorem and specific tariffs, and where applicable, by subtracting export subsidies. Some of the tariffs
  
       are differentiated by origin to capture bi-lateral trade agreements or preferences, and some are endogenous when depending on <I>Tariff Rate Quotas</I> (TRQs). CAPRI       are differentiated by origin to capture bi-lateral trade agreements or preferences, and some are endogenous when depending on <I>Tariff Rate Quotas</I> (TRQs). CAPRI
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       differentiates between global TRQs where the import tariffs of all importers depends on total imports, and bi-lateral TRQs where import prices of a specific importer       differentiates between global TRQs where the import tariffs of all importers depends on total imports, and bi-lateral TRQs where import prices of a specific importer
  
-      depend on the specific trade flow. Equally, so-called flexible levies for cereals and minimum import prices for fruits and vegetables are included, again leading to+      depend on the specific trade flow. Exporters first fill their bi-laterally assigned TRQs before they export into global ones. Equally, so-called flexible levies for cereals and minimum import prices for fruits and vegetables are included, again leading to endogenous tariffs.</P>
  
-      endogenous tariffs.</P> 
  
  
- +      <P><I>Intervention purchases</I> are modelled based on the probablity density of EU domestic market prices to undercut administrative ones, taking into account maximal
-      <P><I>Intervention purchases</I> amodelled based on the probablity density of EU domestic market prices to undercut administrative ones, taking into account maximal+
  
       intervention quantities.</P>       intervention quantities.</P>
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-      <P>The market part of CAPRI is based on functional forms which ensure globally symmetry, homogeniety and correct curvature.</P> +      <P>The market part of CAPRI is based on functional forms which ensure globally symmetry, homogeniety and correct curvature. The functions are second order flexible which means that can be calibrated against any set of own and cross-price elasticities which are in line with micro-economic conditions at the prices and quantities of the calibration point. For ex-ante simulations, the calibration is performed at the future prices and quantities of the baseline.</P> 
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 +      <P>That ease the integations of results from econometric studies or mimicking the behaviour of other models in CAPRI. Recently, to give an example, price sensitivitiy experiments with the highly detailed agricultural sector model SILAS from Switzerland were used to derive the parameterisation of the related behavioural equations in CAPRI.</P>
  
  
       <P>Supply, feed and processing demand are modelled based on a normalized quadratic profit function. A fudging function ensure that only positive values are       <P>Supply, feed and processing demand are modelled based on a normalized quadratic profit function. A fudging function ensure that only positive values are
  
-      returned. The normalization is based on price index which captures the price of all non-agricultual products. The calibration+      returned. The normalization is based on a price index which captures the price of all non-agricultual products. The calibration
  
-      of the parameters includes a Cholesky-Decomposition to ensure that the parameter matrix is strictly definite to ensure the convexity of the soluion space.+      of the parameters includes a Cholesky-Decomposition to ensure that the parameter matrix is strictly definite to ensure the convexity of the solution space.
  
       Processing demand is driven by processing margins.</P>       Processing demand is driven by processing margins.</P>
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       <P>Human consumption is modelled based on a generalized Leontief expenditure function.</P>       <P>Human consumption is modelled based on a generalized Leontief expenditure function.</P>
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