Comment: ALP housing policy a credit shocker 01 April 2015 5:49PM Ian Rogers Comment, Other topics Factors informing the supply of credit rank barely a mention in Australian Labor's discussion paper on housing affordability, released yesterday.Subdued levels of credit growth are a restraint on worsening the presumed affordability problem. Innovation in the credit supply chain must also feature in policy responses, as it did in the 1960s when policy makers latched on to mortgage insurance. In the 1980s quasi government sponsored mortgage-backed funding programs were in vogue.