Dive summary:

• Gilbane Building Co.'s fall analysis of construction-industry economics says contractors are seeing improving margins as as costs charged exceed labor and materials costs, but that upward curve may flatten in 2013.
• The analysis says the Architectural Billings Index has been right in its predictions recently, and it shows a slowdown in the second half of next year.
• Other downside indicators are ongoing reductions in public-sector spending and the loss of as many as 1 million construction workers from construction, which could make growth difficult.

From the article:

Gilbane Building Co. has released the Fall 2012 edition of Construction Economics -- Market Conditions in Construction. ...