In the primary nonresidential expenditure model, income, ethnicity, private or public lands, and forest lands had a significant effect on nonconsumptive wildlife recreation expenditures.
实证结果显示,在远距消

模型中,个人收入、种族肤色、公私有林地等影响因子,对于非消耗性

物游憩活
之消

情形具有相对的显著性。


一下
总)
有关的种族地位等信息。


