[求助]Feenstra, Advanced International Trade中的一句话，估计gdp函数的时候：

In order to ensure that the translog GDP function is homogeneous of degree one in prices, we impose the requirements

请问是什么意思？

谢谢了

呵呵

[此贴子已经被作者于2005-4-8 9:33:49编辑过]