关于户外教育经济的论文文献有哪些？概括一下主要内容和使用的方法

"The Economic Impact of Outdoor Recreation in the United States" by the Outdoor Industry Association (OIA) - This report examines the economic impact of outdoor recreation in the United States, including the number of jobs created, the amount of consumer spending generated, and the contribution to GDP. The report also looks at the different types of outdoor activities that contribute to the economy, such as hiking, camping, and fishing.
"The Economic Benefits of Outdoor Recreation: An Alaska Perspective" by the University of Alaska Anchorage - This study focuses on the economic impact of outdoor recreation in Alaska, including the number of jobs created, the amount of consumer spending generated, and the contribution to state and local tax revenues. The study also looks at the different types of outdoor activities that contribute to the economy in Alaska, such as hunting, fishing, and snowmobiling.
"The Economic Value of Outdoor Recreation: A Review of the Literature" by the Outdoor Foundation - This report provides a comprehensive review of the existing literature on the economic value of outdoor recreation. The report identifies the different methods used to measure the economic impact of outdoor recreation, including input-output analysis, travel cost analysis, and contingent valuation. The report also identifies the different factors that influence the economic value of outdoor recreation, such as the type of activity, the location, and the demographic characteristics of the participants.
"The Economic Impact of Outdoor Education and Experiential Learning" by the Association for Experiential Education (AEE) - This report examines the economic impact of outdoor education and experiential learning programs, including the number of jobs created, the amount of consumer spending generated, and the contribution to local economies. The report also looks at the different types of outdoor education programs that contribute to the economy, such as summer camps, wilderness therapy programs, and adventure-based education programs.

Overall, these studies demonstrate the significant economic impact of outdoor recreation and education. They use a variety of methods to measure this impact, including input-output analysis, travel cost analysis, and contingent valuation. The studies also identify the different types of outdoor activities and education programs that contribute to the economy, as well as the factors that influence their economic value