BANGKOK—Shares slipped in Europe on Thursday after a mixed session in Asia, with markets in China still closed for Lunar New Year holidays. U.S. futures also were lower as investors watched for updates on monetary policy from the Bank of England and European Central Bank, mindful of the Federal Reserve’s plans to begin raising interest rates in March. The Bank of England was expected to raise interest rates again Thursday, putting the United Kingdom far ahead of the rest of Europe and the U.S. in moving to tame surging inflation that is squeezing consumers and businesses. In contrast, the European Central Bank doesn’t plan to raise rates until 2023 despite record inflation, blaming it on temporary factors. But it has decided the economic recovery is strong enough to start carefully dialing back some of its stimulus efforts over the next year. It also meets Thursday. “Although ECB President Lagarde stated …