It taxes liquidity, which many believe is overly abundant. It encourages fundamental analysis of a company’s operations, and some advocates hope that a Tobin tax would push firms themselves to focus even more on long-term value.
托宾税确实有诸多好处，尽管它不能充分解决困扰当今金融市场的全部问题。对股票交易征税能够鼓励人们长期持股。托宾税的征收对象是在很多人看来过于宽松的流动性。托宾税能鼓励人们分析公司经营的基本面，一些鼓吹者更是希望托宾税能促使企业自身更加专注于长期价值。