Canada

So zoning, workers, and financing:

"I always look at it in three buckets: You need the approvals, you need the people to build these things and you need a way to finance it," said Ana Bailão

Workers:

Economists have long argued that the federal government needs to adjust its immigration targets to bring in more electricians and plumbers.

Financing:

"[The CMHC program called ] RCFI no longer works because the interest rates are too high," Keesmaat said. "The government could very quickly act to lower the rate of borrowing through RCFI for new construction projects."She says that would tip some development projects back into viability.