After months of economic woes caused by inflation and supply chain snarls, Secretary of the Treasury Janet Yellen acknowledged she did not anticipate how much inflation would affect consumers.

The lasting effects of the pandemic and the war between Russia and Ukraine put unexpected strains on the U.S. economy that the Biden administration had not planned for, Yellen told CNN on Tuesday. As a result, the economy felt the force of increased food prices and bottleneck supply chains that they “didn’t fully understand” at the time, “but we recognize that now,” she said.