© notice, is given to the source. Gold Standard Gravity

Dave Donaldson, Keith Head and Michael Waugh. We also thank Arthur Lewbel for helpful comments. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research. NBER working papers are circulated for discussion and comment purposes. They have not been peer-reviewed or been subject to the review by the NBER Board of Directors that accompanies official NBER publications