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,远距消费支出模型中,个人收入、种族肤色、公私有林地等影响因子,对于非消性野生动物游憩活动之消费支出情形具有相对的著性。