The Foxconn Technology Group project proposed for southeastern Wisconsin will generate a huge economic output, more than $7.6 billion per year once the sprawling manufacturing facility reaches full production.
The economic impact study that provided this figure came with a high status logo on its cover, too, that of the global accounting and consulting firm EY.
Given that big number, though, it's still far from a no-brainer for Wisconsin public officials to jump up and claim credit for this one. That's because the economic impact would be the same if Foxconn paid for everything with its own money. And it's not going to.
There could be more than $3 billion of Wisconsin taxpayer subsidies thrown into the project. Could all that subsidy, spread around a thousand Wisconsin businesses, generate twice as many good jobs as the Foxconn project?
What the people of Wisconsin needed was a cost-benefit analysis to answer that question. What they got was Foxconn's economic impact study — and few things are as useless as one of those when trying to make a good decision.
But these impact studies are enduringly popular. A huge number is exactly what promoters are eager to pitch when they go looking for taxpayer money.
"Our lawmakers, if they ever hear of an economic impact study, they should just recoil in fear," said John Spry, economist and finance professor at the University of St. Thomas. "They are being hoodwinked."
No one bothers to teach students in economics how to do one of these, Spry said, because it's hard to justify an analysis that omits the very fundamental idea of how much a rational person would be willing to pay for whatever benefit they got. He described, with genuine exasperation, some memorable economic impact studies he has seen crop up in recent years.