U.S. government bond yields aren’t just a barometer of the economy, they also influence the cost of borrowing, from mortgages to student loans. WSJ explains how they work and why they’re so crucial to the economy. Photo illustration: Tom Grillo/WSJ More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM #BondYields #WSJGlossary #WSJExplains