Economic Impact Studies: Martin Associates began conducting economic impact studies for Seattle-Tacoma International Airport in 1989 and conducting studies again in 1994, 2000, 2004, 2009, and 2014.
Air Cargo Impact Studies: Martin Associates also conducted air cargo Impact studies in 2001 and 2015.
To learn more about Seattle-Tacoma International Airport, visit: http://www.portseattle.org/sea-tac/Pages/default.aspx