Tightening crude oil supply will lead to consumer behavior changes in the second half of the year as the imbalance with demand pushes inflation higher, the chief executive of Goldman Sachs has warned. Speaking at an industry event in New York, David Solomon suggested consumers are already changing their behavior in response to higher energy prices, and those changes could become more pronounced after July. He added, as quoted by Reuters, that the Fed will likely keep interest rates unchanged because of these developments. “You can see some…