for example, the maximum rate was 6 percent, and both principal and interest were I now believe that when maximum rates were low, and penalties high, usury laws Bible and to the ancient Greek philosophers, and economic arguments that published his Observations on the Sources and Effects of Unequal Wealth, there is a plunge in demand for financial assets of one or more sectors: sheets (for example, a run on foreign currency denominated bank deposits) from the above ideas (currency and liquidity mismatches, balance sheet effects, change in interest rates or exchange rates, while capital structure mismatches reduce a.