著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Christian Volpe Martincus and Jerónimo Carballo and Pablo M. Garcia and Alejandro Graziano,How do transport costs affect firms’ exports? Evidence from a vanishing bridge,Economics Letters,0165-1765,Elsevier BV,2014-05,123,2,149-153,https://cir.nii.ac.jp/crid/1364233270178629760,https://doi.org/10.1016/j.econlet.2014.01.030