" A study conducted at Harvard found that Reagan-era tax cuts sparked a mass career switch among the country’s brightest minds, from teachers and engineers to bankers and accountants. Whereas in 1970 twice as many male Harvard grads were still opting for a life devoted to research over banking, twenty years later the balance had flipped, with one and a half times as many alumni employed in finance. The upshot is that we’ve all gotten poorer. For every dollar a bank earns, an estimated equivalent of 60 cents is destroyed elsewhere in the economic chain. Conversely, for every dollar a researcher earns, a value of at least $5–and often much more–is pumped back into the economy.22 Higher taxes for top earners would serve, in Harvard science-speak, “to reallocate talented individuals from professions that cause negative externalities to those that cause positive externalities.” In plain English: Higher taxes would get more people to do work that’s useful. "

― Rutger Bregman , Utopia for Realists: How We Can Build the Ideal World