The third conclusion: large business and small business is scale increase effect . middle business is scale descending effect in GuangDong.
结论三：广东省大型企业和小型企业存在规模递增效应，中型企业存在规模递减效应。
The third conclusion: large business and small business is scale increase effect . middle business is scale descending effect in GuangDong.
结论三：广东省大型企业和小型企业存在规模递增效应，中型企业存在规模递减效应。
应用推荐