The Anti-Phillips Curve Chart: No Relationship between Inflation and Unemployment People wait in a line outside a career center in Louisville, Ky., April 15, 2021. (Amira Karaoud/Reuters) ...

Phillips is worth about $50 million, making him the fourth-wealthiest person to run for president this year—well ahead of Biden’s $10 million but behind Trump’s $2.6 billion.

Mr. Phillips, speaking to reporters in New Hampshire, committed to supporting the Democratic nominee, including if it’s Mr. Biden, and said he would not run as a third-party candidate or support ...