0 日本人の美徳が国を亡ぼす？日本の低生産性の根源/Japanese virtue ruins Japan? The source of Japanese low productivity 8月 16, 2019
0 新型コロナ禍がもたらす経済的現実（3/13まで）と必要な政策/Economic reality brought by Covid-19(by 13. March) and measures needed 3月 17, 2020
