A major innovation that affected the mobility of capital was the evolution of the bill of exchange and particularly the development of techniques and instruments that allowed for the negotiability of the bill of exchange and the development of discounting methods 影响了资本流动性的一项主要的革新是汇票的发展，特别是技术和设备的发展便利了汇票的可谈判性以及折扣方法的发展。
