Economist, UTokyo Economic Consulting Inc., July 2024-
Deputy Director, Agricultural Insurance Division, Ministry of Agriculture, Forestry and Fisheries, April 2022 - June 2024
Deputy Director, Office for COVID-19 and Other Emerging Infectious Disease Control, April 2021 - March 2022
Director, Department of Agriculture, Forestry and Fisheries, Obama-city, Fukui, April 2018 - March 2021
Section Chief/Policy Analyst, Ministry of Agriculture, Forestry and Fisheries, April 2010 - March 2018
Ph.D., Agricultural and Applied Economics, University of Wisconsin-Madison, WI, USA, 2024
M.S., Agricultural and Applied Economics, University of Wisconsin-Madison, WI, USA, 2016
M.S., Agricultural Economics, Kobe University, Hyogo, Japan, 2010
B.S., Agricultural Economics, Kobe University, Hyogo, Japan, 2008
Industrial Organization, Applied Econometrics, Agricultural Economics
“Detecting Collusion in High-Dimensional Oligopoly Models: The Case of the US Corn Seed Industry.” with Guanming Shi
Comparing competitive toughness to benchmark outcomes in retail oligopoly pricing (with Kyle Stiegert). Agribusiness (2018). Volume 82 Issue 3
Assessing the Relationship between Quality Competitiveness and the Safety of Domestic Agricultural Products in Japan. Journal of Rural Economics (2014), Volume 86 Issue 2. [国産農産物の品質競争力と安全性, 農業経済研究86(2), 2014.]
The Size of Calf-Raising Farms in Japan under Price Uncertainty: An Empirical Analysis by the Dynamic Dual Model (with Hitoshi Kusakari). Journal of Rural Economics (2014), Volume 86 Issue 2. [子牛価格の不確実性が肉牛繁殖農家の飼養頭数決定に与える影響：動学的双対モデルによる実証分析(with 草苅仁), 農業経済研究81 (4), 2010.]
Effects of Price Uncertainty on Land Shadow Value in Japanese Rice Production: Joint Estimation of Risk Preferences Structure and Technology (with Hitoshi Kusakari). The Special Issue of the Journal of Rural Economics (2009). [稲作における価格の不確実性と土地の限界生産物価値 (with 草苅仁), 2009年度日本農業経済学会論文集.
The Impact of Set-Aside Programs on Technical and Allocative Efficiency in Japanese Rice Production: Evidence from a Profit Maximizing Model Using a Stochastic Frontier Production Function (with Hitoshi Kusakari). Journal of Rural Problems (2009) Volume 45 Issue 1. [稲作農家の利潤効率性と減反政策 (with 草苅仁), 農林業問題研究45(1), 2009.]
Calf Supply Response under Uncertainty: An Analysis of Japanese Beef Cow-Calf Sector (with Hitoshi Kusakari). Agricultural Economic Papers of Kobe University (2008) Volume 40. [不確実性下における肉牛繁殖農家の供給行動 (with 草苅仁）, 神戸大学農業経済 40, 2008.]
Beef Price Transmission from Import Tariffs and Exchange Rates at the Bertrand-Nash Equilibrium (with Hitoshi Kusakari). Agricultural Economic Papers of Kobe University (2007) Volume 39. [牛肉の市場価格と関税及び為替レート: Bertrand-Nashモデルによる波及効果分析, 神戸大学農業経済 39, 2007.]
An Econometric Analysis of the Decrease in Fresh Fruit Consumption of Households (with Yuko Naka and Hitoshi Kusakari). Journal of Rural Problems (2007) Volume 43 Issue 1. [家計における生鮮果物消費の減少要因 (with 中 祐子, 草苅仁）, 農林業問題研究, 43(1), 2007.]
2023: Applied Economics Workshop, University of Wisconsin-Madison (WI, USA)
2014: Annual Meeting of the Agricultural Economics Society of Japan (Kobe, Japan)
2010: Annual Meeting of the Agricultural Economics Society of Japan (Kyoto, Japan)
2009: Annual Meeting of the Agricultural Economics Society of Japan (Ibaraki, Japan)
2008: Annual Meeting of the Regional Agricultural and Forestry Economics (Hyogo, Japan), Annual Meeting of the Agricultural Economics Society of Japan (Tochigi, Japan), The Spring Meeting of the Theoretical Economics and Agriculture (TEA) (Tochigi, Japan)
2006: Annual Meeting of the Regional Agricultural and Forestry Economics (Osaka, Japan)
Contact info: r.saka.kobe at gmail.com