A new white paper was released yesterday by the Cato Institute which boldly claims that the cause of the housing bubble isn’t what everybody else has been talking about for the past few years. In this policy analysis, Randy O’Toole argues that the blame rests on a regulatory system known as growth management , saying Some people blame the Federal Reserve for keeping interest rates low; some blame the Community Reinvestment Act for encouraging lenders to offer loans to marginal homebuyers; others blame Wall Street for failing to properly assess the risks of subprime mortgages.