This paper addresses the notion of an "optimum level of financial activity" that is contingent on a country's general level of development. Referring to threshold regressions and a bootstrap test for structural shift of the finance regressor in a growth equation, it is shown that countries gain...

An endogenous growth model with a financial sector is formulated, and empirical analyses are conducted. The model exhibits structural shifts and breaks caused by institutional change, suggesting that a linear approach is inadequate. To address this point empirically, we fit data for 90 countries...