Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MIZUTA Hiroyuki,Lowered Beachhead Cost in a Simplified Melitz Model with Heterogeneous Fixed Cost,釧路公立大学地域研究,09193677,釧路 : 釧路公立大学地域分析研究委員会,2014-12,,23,1-16,https://cir.nii.ac.jp/crid/1520290883381227136,