| 标题 |
Are there too many farms in China? New evidence on economies of scale in grain production |
| 网址 | |
| DOI | |
| 其它 |
期刊:Economic Analysis and Policy 作者:Zongyao Yang; Yueqing Ji 出版日期:2026-02-10 |
| 求助人 | |
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(2025-6-4)