But here’s the real worry. The basic assumption that jobs will eventually return when the economy recovers is probably wrong. Some jobs will come back, of course. But the reality that no one wants to talk about is a structural change in the economy that’s been going on for years but which the Great Recession has dramatically accelerated. Under the pressure of this awful recession, many companies have found ways to cut their payrolls for good. They’ve discovered that new software and computer technologies have made workers in Asia and Latin America just about as productive as Americans, and that the Internet allows far more work to be efficiently outsourced abroad.