A well-designed net wealth tax can raise revenue and tackle inequality, argues the FT's Martin Sandbu. But critics say a wealth tax is hard to value, unfair to savers and inefficient. Welcome to Free Lunch on Film where unorthodox economic ideas are put to the test. Sign up for Martin Sandbu's Free Lunch newsletter, https://ft.com/newsletters.

#wealthtax #tax #revenue #economics #inequality #money #income #costofliving #capitalgainstax #inheritancetax #incometax #millionaire #billionaire #government

See if you get the FT for free as a student (http://ft.com/schoolsarefree) or start a £1 trial: https://subs.ft.com/spa3_trial?segmen....

► Check out our Community tab for more stories on the economy.
► Listen to our podcasts: https://www.ft.com/podcasts
► Follow us on Instagram:   / financialtimes'