Many economists acknowledge that ordinary private goods and services need to “pass the market test”—generate revenue in excess of expenses—to show that consumers’ benefits (revealed by a willingness to pay) exceed producers’ outlays. But they make an exception when it comes to monetary instruments and payment systems….

Should the U.S. government create a digital dollar?

Proposals for “central bank digital currency” (CBDC) come in two basic types: account-based and token-based. I have been critical of proposals for an account-based system. Until recently, there didn’t seem to be much active interest in a token-based system. But now comes a significant token-based proposal in…