What are the methods for analyzing travel intention?

The travel expense method is a method of evaluating priceless goods. Travel costs are used to calculate the changes in benefits brought to tourist sites after changes in environmental quality, thereby estimating the economic losses or gains caused by changes in environmental quality. People usually do not pay or pay very little when visiting scenic spots. Travel expenses mainly include transportation fees, opportunity costs of time, etc. Through surveys, the correlation function between the annual number of visits to a certain tourist place, travel expenses and other factors is established through regression.

The travel expense method evaluates the value of non-market environmental products or services through people's tourism consumption behavior, and regards the sum of the direct costs of consuming environmental services and consumer surplus as the price of the environmental product. These two actually reflect consumers' willingness to pay for tourist attractions.