A surprising backer of America’s affordable housing push: Big banks

Jamie Dimon's JPMorgan Chase pledged $750 billion to housing projects this week, notably in San Francisco. Getty Images JPMorgan Chase announced it will direct $750 billion to US housing projects through 2035. Big banks, like Citi and Bank of America, have made similar investments in affordable housing. Public-private partnerships could help boost housing supply — and banks get a tax break. JPMorgan Chase announced plans to shell out $750 billion to boost America's home supply — and it isn't…