• https://press.princeton.edu/books/paperback/9780691120355/mostly-harmless-econometrics?utm_source=chatgpt.com
• https://www.amazon.co.jp/%E6%96%B0%E8%A3%85%E6%94%B9%E8%A8%82%E7%89%88-%E7%8F%BE%E4%BB%A3%E6%95%B0%E7%90%86%E7%B5%B1%E8%A8%88%E5%AD%A6-%E7%AB%B9%E6%9D%91-%E5%BD%B0%E9%80%9A/dp/4780608600?utm_source=chatgpt.com
• https://www.cambridge.org/core/books/natural-experiments-in-the-social-sciences/96A64CBDC2A2952DC1C68AF77DE675AF?utm_source=chatgpt.com
• https://www.asahi.com/special/podcasts/?iref=omny
• https://press.princeton.edu/books/hardcover/9780691224633/designing-social-inquiry?utm_source=chatgpt.com
• https://sites.google.com/g.ecc.u-tokyo.ac.jp/ysg2025