Architecture Firm Billings at Two-Year High

According to AIA.org, “the Architecture Billings Index (ABI) is a diffusion index derived from the monthly Work-on-the-Boards survey, conducted by the AIA Economics & Market Research Group. The ABI serves as a leading economic indicator that leads nonresidential construction activity by approximately 9-12 months. The indexes are developed from the monthly Work-on-the-Boards survey panel where […]