[Excerpt] Extant literature on prevailing wage (PW) laws notes that such laws generate societal benefits in the form of upward pressure on wages and benefits for non-union workers, as well as protection of local construction industries (workers, workers’ families, and employers alike) from the wage and benefit erosion that could happen if external competition entered the local market from lower-wage geographies and persistently undercut local firms. This research report illustrates how, beyond these and related benefits, PW laws might make union construction labor more cost effective than non-union construction labor for PW jobs. Such an outcome could have significant upsides. Among other things, supporting union firms: increases those firm...