“…Those include the deregulation of interest rates and other financial charges, the creation of new credit products to extract equity, the increase of loan-to-values ratios, that is the lowering of required down payments on purchases, as well as availability of better information on the quality of the borrowers. Authors, more or less convincingly, recall the influence of new aggressive marketing strategies and credit instruments, predatory and even criminal behavior (Black et al 1995, Wray 2008, Dymski 2009, Mian and Sufi 2009, Kaboub et al 2010, Keys et al 2010Herndon 2017. In a controversial book, Rajan (2010, 39) suggested that the government "cynically" pushed easy credit, deregulation and an aggressive housing policy, to temporarily please an impoverished middle class.…”