@article{oai:dokkyo.repo.nii.ac.jp:00002829, author = {吉田, 翔平 and Yoshida, Shohei}, issue = {110}, journal = {獨協経済, Dokkyo University Studies of Economics}, month = {Oct}, pages = {111--122}, title = {Product differentiation and firm profits in a Hotelling model with endogenous timing}, year = {2021} }