Posted on 01/01/202403/29/2024 by Koh Recent Works “Imitation Versus Differentiation: Balance Between Product Similarities and Differences in a Hotelling Model,” IDE Discussion Paper No. 917, 2024. “Industrial Development and Technology Accumulation: Similar and Differentiated Technologies in China’s Robot Cleaner Industry,” IDE Discussion Paper No. 922, 2024. Header photo: At a bookstore in Beijing (2018).