noun
developmentalism
A political or economic ideology that prioritizes large-scale development projects, often associated with state-led growth strategies.
戦後の日本は開発主義に基づいて経済成長を遂げた。
Postwar Japan achieved economic growth based on developmentalism.
開発 (development) is the general term; 開発主義 is the specific ideology that emphasizes development as a primary goal.
Compound of 開発 (development) and 主義 (doctrine, -ism). The term is a direct translation of the English 'developmentalism'.