ethnicity 考研GMAT

In the primary nonresidential expenditure model, income, ethnicity, private or public lands, and forest lands had a significant effect on nonconsumptive wildlife recreation expenditures.

结果显示，在远距消费支出模型中，个收入、族肤色、公私有林地等影响因子，对于非消耗性野生动物游憩活动之消费支出情形具有相对的显著性。