一美元能换来多少绿色？通过DID匹配估计法国农业环境计划的额外效应和意外收益

How much green for the buck? Estimating additional and windfall effects of French agro-environmental schemes by DID-matching

• Sylvain Chabé‐Ferret · 耶鲁大学 通讯
• Julie Subervie