There is some evidence of a non-monotonic relationship between public debt and economic growth. With reference to the Diamond (1965) OLG model, we provide a rationale for this possibility; (i) where the financial sector is monopsonistic; (ii) where the acquisition of its equity constitutes a form...

While the public debt has an interior maximum in the Diamond OLG model, due to an inherent nonlinearity [Rankin and Roffia (2003)], this feature also extends to a linear, AK model when it is conjoined with a backward-looking adjustment process for public debt [Braeuninger (2005)]. We show that...