RIIT Working Paper Series
- RWP_01: Ijiri, N. and S. Haneda. “A Note on the Concordance between the International Classification for Standards (ICS) and the Harmonised Commodity Description and Coding System (HS)” — Note: This includes a simple explanation of the IHY product classification.
- RWP_2026_001: Ijiri, Yamano, and Miao. “International Standards, Product Substitutability and Global Trade Network”
- RWP_2026_002: 井尻直彦・陳碩， 「貿易財の代替弾力性の推計について―日本の例―」
- RWP_2026_003: Ijiri, N. and S. Chen. “Estimating the Elasticity of Substitution for Traded Goods: Evidence from Japan”