Rep. Alexandria Ocasio-Cortez speaks about the Green New Deal in Washington, D.C., on May 13. She has shined a spotlight on a once-obscure brand of economics known as "modern monetary theory."
Federal Reserve Chairman Jerome Powell speaks during a news conference on May 1 in Washington, D.C. He is testifying before Congress this week about economic challenges.
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The floor of the New York Stock Exchange. An economic indicator known as the "yield curve inversion" hit the three-month mark, an occurrence that has preceded the past seven U.S. recessions.
President Trump speaks during a news conference following the Group of 20 summit in Osaka, Japan, on Saturday. Trump said the U.S. and China would resume trade talks.
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