Our research as well as that by other authors has found scale economies at all sizes of banks and the largest scale economies at the largest banks – that is, larger banks are able to provide products at lower average cost than smaller banks. While the earlier literature found that scale...

Financial sector development fosters economic growth and reduces poverty by widening and broadening access to finance and allocating society's savings more efficiently. The author first discusses three pillars on which sound and efficient financial systems are built: macroeconomic stability and...