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From The Keystone Research Center:

HARRISBURG – With the Pennsylvania House Labor and Industry Committee scheduled to vote on seven proposals to weaken Pennsylvania’s construction sector prevailing wage law, the Keystone Research Center released a policy brief summarizing research on the impact of these laws.The research shows that prevailing wage laws do not raise construction costs on public projects but do increase investment in skills, improve health, safety and lower dependence of construction workers on safety net programs.“The research shows that there’s one sure-fire way to lower public construction costs,” said KRC labor economist and briefing paper co-author Mark Price. “That is to do more construction when unemployment is high. When the market is soft, contractors bid 20 percent or more below prices at the market peak.”

Price said the myth that prevailing wage laws raise costs is perpetuated by flawed cost accounting studies, which assume nothing else changes when wages and benefits on projects are slashed sharply.Variation in prevailing wage policies across states — some states have laws, some don’t — provides a wealth of “natural experiments” that allow statistical research to determine the impact of such laws, Price said. A rigorous body of economic research examining these natural experiments shows that their repeal leads to less workforce training; a younger, less educated and less experienced workforce; higher injury rates; lower wages and lower health and pension coverage.

Research also reveals that prevailing wage laws do not raise costs. For example, comparing school construction costs before and after Michigan’s suspension of its prevailing wage law revealed no difference in costs. National analysis of data on school construction costs reveals that prevailing wage laws do not have a statistically significant impact on cost. Schools built at times of higher unemployment, when construction bids are much lower, however, can cost over 20 percent less per square foot than schools built during times of high demand. In Pennsylvania, when prevailing wage levels were lowered substantially in rural areas during the second half of the 1990s — a period of declining unemployment and rising prices — school construction costs went up more in areas where prevailing wage levels fell the most.“Lawmakers know from their own experience that in any skilled field, you get what you pay for,” said KRC economist and briefing paper co-author Stephen Herzenberg. “The research on prevailing wage laws and construction costs indicates that any potential cost savings from paying lower wages and benefits are eaten by lost productivity or by higher profits or salaries for construction owners and top managers.”

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