Where does data in MGM2 come from?
MGM2 requires three types of data (1) park visits, (2) spending averages, and (3) regional economic multipliers. Park visit data is entered by the user. NPS public use statistics can be used but must be converted to a party-night basis. Spending data comes from park visitor surveys. MGM2 includes “generic” spending profiles for parks and historic sites that were assembled from recent park visitor surveys. See Appendix C of MGM manual for details. MGM2 Multipliers are estimated from IMPLAN models for regions around selected National Parks using 1996 IMPLAN data. See Appendix E of MGM2 manual for details. T2. How are impacts computed in MGM2. Chapter 4 of the MGM2 manual (MGM2.pdf ) contains technical details about the model. MGM2 estimates spending by visitors in the local region by multiplying the number of visitors (in party nights) by an average spending profile (per party night). Visitors are divided into distinct segments to capture different spending patterns of day users vs overn
