粮食主产区政策、农业生态效率与种粮积极性——基于双重差分模型的实证检验
Policy of Major Grain-Producing Areas, Agricultural Ecological Efficiency, and Grain Production Enthusiasm: Empirical Test Based on Difference-in-Difference model
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
〈 |
|
〉 |