Opinion: Avoid shoddy work by using unionized tradespeople for public construction projects

Why do many municipalities, school boards, social housing corporations and other public bodies have long-standing arrangements that see their construction projects built by skilled tradespeople who are members of construction unions? Because the employees are well trained, they work safer and, in the long run, are not a significantly greater cost to the taxpayer than their non-unionized counterparts, writes Phil Gillies in an op-ed that cites Institute for Work & Health research.