000			00413nam a2200121Ia 4500
080			_aSerial
100			_aHummels, David L.
245			_aTima as a trade barrier
260			_c2013
520			_aExamines two hypotheses viz., lengthly shipping times impose costs that impede trade and firms engaged in trade exhibit significant willingness to pay to avoid these costs.
583			_c2/14/14 _kSANDRAW
942			_cA
999			_c36749 _d36749