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| First Negative Score in 20 Months for Architecture Billings Index For the first time since September 2004, the Architecture Billings Index (ABI) posted a negative score in May. The ABI is a leading economic indicator of nonresidential construction activity in the United States based on the approximately six to nine month lag time between architecture billings and construction spending. Previously, it had been positive for nineteen consecutive months and twenty-eight out of the last twenty-nine months. The American Institute of Architects (AIA) reported the May ABI rating was 49.6 (any score below 50 indicates a drop in billings), down sharply from the 54.2 mark in April. write your comments about the article :: © 2006 Construction News :: home page |