Bruins M, Duffy JA, Keane MP, Smith AAJuly 2018Scholarly edition ISSN:0304-4076Volume:205Issue:1, Elsevier, pp.177 - 203No abstract availableKeywords:49 Mathematical Sciences , 38 Economics , 4905 Statistics , 3802 Econometrics See more details Referenced in 3 policy sources Posted by 10 X users 102 readers on Mendeley DOI10.1016/j.jeconom.2018.03.010