In 2009, just before the full outbreak of the global financial crisis, Olivier Blanchard (2009) published an article giving a favourable appraisal of the state of macroeconomics. He came to this verdict on the basis that, after a long period of fierce theoretical debate, the discipline had...

This paper investigates the relevance of the No-Ponzi game condition for public debt (i.e. the public debt growth rate has to be lower than the real interest rate, a necessary assumption for Ricardian equivalence) and of the transversality condition for the GDP growth rate (i.e. the GDP growth...