Taxes impede economic growth and high taxes kill the economy, right?. This is the belief among many who criticize Representative Alexandria Ocasio-Cortez’s proposal to raise taxes on the wealthy to 70% or more. But what does the evidence really tell us? Do high taxes really hurt the economy as much as they believe, and will lowering them have much of an impact on stimulating it? The economic literature is clear — tax breaks to encourage economic relocation or investment decisions are inefficient and wasteful. Hundreds of studies reach this conclusion. When businesses are surveyed regarding factors important to their investment decisions, taxes often come in behind proximity to markets, suppliers, and the quality of the labor force.