Simply put, businesses don’t pay taxes; people do in the form of higher prices, lower wages, and fewer jobs available. Given that taxes exist to fund essential government services, the least burdensome taxes should fund conservative budgets, which grow by no more than population growth plus inflation.
The full testimony can be found here: http://www.texaspolicy.com/content/detail/testimony-eliminate-the-margin-tax-to-reach-texans-full-potential
Ph.D. Economist at the Texas Public Policy Foundation. Blog posts are publications by the author.