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  • boottest now offers "bootstrap-c" advocated by Alwyn Young

    At the suggestion of James MacKinnon, I've added an option to boottest that lets you bootstrap the distribution of a coefficient rather than the corresponding t/z statistic. This is theoretically inferior, but Alwyn Young advocates it in his recent paper, "Consistency without inference: instrumental variables in practical applications." He presents evidence that the bootstrap-c is more reliable in IV applications in economics.

    I'm not advocating for or against the method at this point--just offering it as an option.

    Example:
    Code:
    webuse nlsw88
    ivregress 2sls wage ttl_exp collgrad (tenure = union), cluster(industry)
    boottest tenure, ptype(equaltail) seed(987654321) stat(c) gridmin(-2) gridmax(2)
    Click image for larger version

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