Laffer curve and many others advocate a zero capital gains rate. The increased aggregate supply would result in increased aggregate demand, hence the term "supply-side economics". Laffer assumes that the government's revenue is a continuous function of the tax rate. However, in some theoretical models, the Laffer curve can be discontinuous, leading to an inability to devise a revenue-maximizing tax rate solution. Additionally, the Laffer curve depends on the assumption that tax revenue is used to provide a public good that is separable in utility and separate from labor supply, which may not be true in practice. The Laffer curve as presented
Arthur Laffer Company funded by Tako Ventures, a funding arm of Larry Ellison. In 2008, Laffer joined the Board of Alpha Theory, a non-public Fundamental Portfolio Optimization software for hedge and mutual funds. Laffer recently joined the advisory board of Collabarium Capital. In 2010, Laffer joined the Boards of Executive Trading Solutions, an LLC providing the top technological solution for management of Rule 10b51 stock trading plans, and Consensus Point, a provider of an enterprise prediction markets platform. In 2015, Laffer joined the board of General Employment Enterprises, (JOB), a rapidly growing staffing company located in Illinois. Laffer has branched into writing