The Colliers Nashville Commercial Real Estate Index looks back at market performance beginning in the third quarter of 2001 to the present, and will track the performance of the industry sector on a quarterly basis going forward. The Index tracks a combination of economic factors, such as job growth, office absorption rates, rental rates, vacancies, rate escalations and building permit activity. These are factored into a weighted algorithm that creates a measurement tool that is an accurate barometer of the industry’s health.