Agricultural economy/Data uncertainties limitations: Difference between revisions
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{{ComponentDataUncertaintyAndLimitationsTemplate | {{ComponentDataUncertaintyAndLimitationsTemplate | ||
|Status=On hold | |Status=On hold | ||
|Reference=Stehfest et al., 2013; Woltjer, 2011; Narayanan et al., 2012; Stehfest et al., 2013; Von Lampe | |Reference=Stehfest et al., 2013; Woltjer, 2011; Narayanan et al., 2012; Stehfest et al., 2013; Von Lampe et al., (unpublished); Nelson et al., (unpublished); Bruinsma, 2003; Hertel, 2011; | ||
|Description=<h3>Data</h3> | |Description=<h3>Data</h3> | ||
The [[MAGNET model]] uses the [[GTAP8 database]] for sectoral input–output tables and bilateral trade in the reference year 2007 ([[Narayanan et al., 2012]]). For agriculture, all GTAP sectors are used, while other industrial and service sectors are aggregated in MAGNET. The regional representation of GTAP is aggregated to match the IMAGE regions outside Europe, but within Europe data are kept at country level (appendix). For the start year, agricultural land use, for both arable land and permanent grassland, is based on [[FAO]] statistics; In addition, the model also uses a large number of essential coefficients, such as Armington trade elasticities, consumption function parameters, substitution elasticities for all production nests, [[CET]] elasticities for land-use transformations, and elasticities in the land supply curve. Some parameters are based on econometric research or economic literature, while others are no more than ‘best guesses’ ([[Woltjer et al., 2011]]). The autonomous technological yield change in MAGNET and IMAGE is based on FAO projections ([[Bruinsma, 2003]]). | The [[MAGNET model]] uses the [[GTAP8 database]] for sectoral input–output tables and bilateral trade in the reference year 2007 ([[Narayanan et al., 2012]]). For agriculture, all GTAP sectors are used, while other industrial and service sectors are aggregated in MAGNET. The regional representation of GTAP is aggregated to match the IMAGE regions outside Europe, but within Europe data are kept at country level (appendix). For the start year, agricultural land use, for both arable land and permanent grassland, is based on [[FAO]] statistics; In addition, the model also uses a large number of essential coefficients, such as Armington trade elasticities, consumption function parameters, substitution elasticities for all production nests, [[CET]] elasticities for land-use transformations, and elasticities in the land supply curve. Some parameters are based on econometric research or economic literature, while others are no more than ‘best guesses’ ([[Woltjer et al., 2011]]). The autonomous technological yield change in MAGNET and IMAGE is based on FAO projections ([[Bruinsma, 2003]]). | ||
Revision as of 16:06, 16 December 2013
Parts of Agricultural economy/Data uncertainties limitations
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