conservative policy; regressive policy
A formal term for a policy that is passive, backward-looking, or resistant to change. Often used in political or economic commentary.
The government's conservative policy hindered economic growth.
We should break away from regressive policies and promote reform.
保守的 is a common adjective meaning 'conservative' in a general sense, while 退嬰政策 is a formal compound specifically referring to a policy stance.
後退 means 'retreat' or 'regression' as an action or state, whereas 退嬰政策 is the policy that causes such a retreat.
Compound of 退嬰 (たいえい, 'retreat, regression') and 政策 (せいさく, 'policy'). The exact historical derivation is uncertain, but the term is used in modern formal contexts.