Abstract:This research is funded, in part, by a grant from the Laura and John Arnold Foundation. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.At least one co-author has disclosed a financial relationship of potential relevance for this research. Further information is available online at http://www.nber.org/papers/w25343.ack NBER working papers are circulated for discussion and comment purposes. They have not been peer-reviewed … Show more
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