2018 - 2021 Climate change impact on world and regional food security
2016 - 2019 Econometric Analysis for Comprehensive Climate Change Adaptation Measures by Promoting Farmer Efforts and Policy Support
2014 - 2018 Integrated Research of the Agricultural Trade Liberalization Impact on the Natural and Social Environment: Toward the Enhancement of Agricultural Trade Negotiation Power
Atomu Nitta, olicy Research Institute, Ministry of Agriculture, Forestry, Fisheries, Japa, Daisuke Sawauchi, Hokkai School, of, Comm, rce, Ja, et al. Impact of Implementation of the Direct Payments Program on Productivity Level of Rice Production in Japan. The Economic Review. 2024. 75. 1. 1-27
Shun Hasegawa, Hirokazu Akahori, Daisuke Sawauchi, Yasutaka Yamamoto. Measuring the Potential Economic Impact of a Japan-US Free Trade Agreement: Can It Enable the US to Eliminate Its Trade Deficit in Goods with Japan?. Journal of International Trade, Logistics and Law. 2022. 8. 1. 28-36
Hirokazu Akahori, Shun Hasegawa, Daisuke Sawauchi, Yasutaka Yamamoto. Economic Impact of the Japan-China-USA Free Trade Agreement on Japan using both Static and Dynamic GTAP Models. Journal of International Trade, Logistics and Law. 2021. 7. 2. 59-66