@article{oai:tsukuba.repo.nii.ac.jp:00020046, author = {黒川, 義教 and KUROKAWA, Yoshinori}, issue = {2}, journal = {Economics letters}, month = {Aug}, pages = {141--144}, title = {Fixed cost, number of firms, and skill premium: An alternative source for rising wage inequality}, volume = {108}, year = {2010}, yomi = {クロカワ, ヨシノリ} }