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来源类型Working Paper
规范类型报告
DOI10.3386/w17916
来源IDWorking Paper 17916
Evaluating Estimates of Materials Offshoring from U.S. Manufacturing
Robert C. Feenstra; J. Bradford Jensen
发表日期2012-03-15
出版年2012
语种英语
摘要When materials offshoring is measured by estimating imported intermediate inputs, a common assumption used is that an industry's imports of each input, relative to its total demand, is the same as the economy-wide imports relative to total demand: this is the so-called "import comparability" or "proportionality" assumption. A report to the National Research Council identified this assumption as being a significant limitation of current data collection and analysis. In this note we move beyond this assumption to obtain a direct measure of imported materials by industry for the United States in 1997. At the 3-digit I-O industry level, there is a correlation of 0.68 between the offshoring shares made with and without the proportionality assumption, and a higher correlation of 0.87 when the shares are value weighted. While most value-weighted industry have differences below 50 percentage points in the two estimates, there is significant number of cases that differ by 10 percentage points or more.
主题International Economics ; Trade
URLhttps://www.nber.org/papers/w17916
来源智库National Bureau of Economic Research (United States)
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条目标识符http://119.78.100.153/handle/2XGU8XDN/575592
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GB/T 7714
Robert C. Feenstra,J. Bradford Jensen. Evaluating Estimates of Materials Offshoring from U.S. Manufacturing. 2012.
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