Confidence intervals for the trade cost parameters of cross-section gravity models
نویسندگان
چکیده
Confidence intervals using robust PPML-standard errors are too small in cross-section gravity models. Monte Carlo simulations indicate approximately correct coverage rates of jackknife and percentile bootstrap confidence intervals. Those constrained PPML estimates reliable, if trade costs non-stochastic.
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ژورنال
عنوان ژورنال: Economics Letters
سال: 2021
ISSN: ['1873-7374', '0165-1765']
DOI: https://doi.org/10.1016/j.econlet.2021.109787