2.1　Refereed Papers

Ryo, U., Nakatani, T. and Yasuhiro, N. (2023). Impact of the State of Emergency Declarations for COVID-19 on Food Consumption: Analysis Using Consumer Purchase History Data. Journal of Food System Research, 29(4), 183-188. (in Japanese)

2.2　Working in Progress

Effects of the Food Environment on Nutrient Intake

The Relationship between Purchasing Channels and Macronutrient Intake Empirical Analysis Using Consumer Purchase History Data

Purchases for Family

Analyzing Elasticities of Demand Focusing on Who to Buy for Theoretical and Empirical Analysis

Differences between Buying and Ingesting Food

The Relationship between Food Expenditure and Nutrient Intake Panel Data Analysis using Purchase History Data

Love for Children and Gender Roles in Parenting

The Impact of Parents' Altruism and Bargaining Power on Their Nutritional Investment Theoretical and Experimental Approaches in Ghana (with Satoru Okonogi)

Cultural Differences and Consumer Food Choice

The Impact of Aversion to New Products based on Cultural Differences Development of New Discrete Choice Models focusing on Attribute-Nonattendance

2.3　Presentations

Impact of the State of Emergency Declarations for COVID-19 on Food Consumption: Analysis Using Consumer Purchase History Data

Jointly with Tomoaki Nakatani and Yasuhiro Nakashima, The 2022 Conference of the Food System Research Association, Online, Jun. 2022 (in Japanese, refereed).

Where to Buy and What to Eat: Analysis of Macronutrient Ratios using Consumer Purchase History Data

Jointly with Tomoaki Nakatani and Yasuhiro Nakashima, The 11th ASAE International Conference, Aoyama Gakuin University, Tokyo, Mar. 2023 (refereed).

Where to Buy and What to Eat: A Comprehensive Analysis of Macronutrient Intake

Jointly with Tomoaki Nakatani and Yasuhiro Nakashima, XVII European Association of Agricultural Economists Congress, Rennes, France, Aug. 2023 (poster, refereed).

Elasticity of Food Demand by Purchase Intention: An Analysis Focusing on Purchases for Family Members

Jointly with Tomoaki Nakatani and Yasuhiro Nakashima, The 2024 Annual Conference of Agricultural Economics Society of Japan, Tohoku University, Mar. 2024 (refereed).

Feasibility and Effectiveness of Introducing Food Vouchers in Japan: Panel Data Analysis focusing on the Nutrient Intake of Middle-aged and Older Adults

Jointly with Tomoaki Nakatani and Yasuhiro Nakashima, The 2024 Conference of the Food System Research Association, Kyushu University, Jun. 2024 (refereed).

Purchases for Family: Heterogeneity of Demand Responses to Changes in Price and Expenditure

Jointly with Tomoaki Nakatani and Yasuhiro Nakashima, 32nd International Conference of Agricultural Economists, New Delhi, India, Aug. 2024 (refereed).

2.4　Fellowships and Awards

U Tokyo Sustainable Agriculture Education Program

Monthly stipend, Oct. 2022 – Mar. 2027 (Expected)

One Earth Guardians Development Program

Graduate School of Agricultural and Life Sciences, the University of Tokyo, Apr. 2019 -.

Best Graduation Thesis

Dept. of Agricultural and Resource Economics, the University of Tokyo, Mar. 2023.

Outstanding Performance in Econometrics I

Graduate School of Economics, the University of Tolyo, Jun. 2024.

Japan Society for the Promotion of Science (JSPS) Research Fellowship (DC2)

Field of Economics, Management, and Related Areas, Monthly stipend, JSPS, Apr. 2025 - Mar. 2027 (Expected).