"Airport economic impact studies are used as an indicator of the growth and sustainability of the aviation industry. The collected data demonstrate the importance of an airport and the economic growth of regional, statewide, and national airports. It can be difficult to effectively leverage an airport’s economic impact study by demonstrating how the airport contributes to economic growth. ACRP Synthesis 125: Communication, Implementation, and Outcomes of Airport Economic Impact Studies, from TRB's Airport Cooperative Research Program, provides information on how airport economic impact studies have been communicated to stakeholders, how the studies have been implemented to achieve objectives, and what the resulting effects were to the agencies and airports included in the studies."--Publisher's website