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AgEcon Search 4 records found
1.
Problems with inferring causal relationships from nonexperimental data are briefly reviewed, and four broad classes of methods designed to allow estimation of and inferen [...]
2007 | Journal Article |
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3.
Local polynomial regression is a generalization of local mean smoothing as described by Nadaraya (1964) and Watson (1964). Instead of fitting a local mean, one instead fi [...]
2003 | Journal Article |
4.
This paper attempts to estimate the impact of pollution abatement investments on the production technology of firms by pursuing two new directions. First, we take advant [...]
2016-05 | Working or Discussion Paper |

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