Since then, the term ‘luddite’ is used for a person who is opposed to new technology or greater industrialisation. In their latest IMF Paper, the two economists said some observers have assigned to monetary policy a key role in exacerbating the severity of the global financial crisis of 2007-09.“Despite a somewhat widely shared common sentiment that the Federal Reserve is partly to blame for the housing bubble, the issue is highly controversial in academia and the policy community,” they said.While some observers support the idea that monetary policy contributed significantly to the boom that preceded the global financial crisis, others argue against this thesis.“To address some of these issues, we developed a simple model of consumption-based asset pricing with collateralised borrowing, monopolistic banking, real interest rates rigidities and pecuniary externalities,” they said.