This paper shows that finance has been a key ingredient of long-term economic growth in OECD and G20 countries over the past half-century, but that there can be too much finance. The evidence indicates that at current levels of household and business credit further expansion slows rather than...

This paper surveys a broad range of studies and highlights the main findings of the empirical literature regarding business finance and productivity. Numerous studies analyse the productivity effects of financial development and frictions. The results suggest: 1) Financial development likely has...