Regulate online markets
To operate smoothly, economies have long depended on essential platforms, be they city markets, Main Streets or infrastructure like railroads and bridges. … Historically, the government has imposed limits on how much money the platforms could take from the people and businesses that relied on them … These limits were imposed not to constrain economic growth but to foster it: They protected the incentives for other economic actors to invest and build on the platforms. …
Last year, Amazon charged private sellers, on average, between 50 and 60 percent of their sales in fees, according to the research firm Marketplace Pulse. You don’t need a degree in economics to see how that can discourage investment and innovation. … It’s effectively a system of private taxation.