People with stocks and real estate in Box 3 will have to pay more than 30% more tax on them next year. The tax authorities assume that they make a 7.78% return on their assets. But a survey by Hollands Welvaren shows that is not at all realistic for large groups of wealthy people....

Dutch people who own shares, real estate and other Box 3 assets are going to pay substantially more tax next year. In total, they will pay 1.3 billion euros more tax, according to an appendix to the Tax Plan....