Don’t tell Bernie Sanders this, but the upper class appeared to suffer less than other folks during the fourth-quarter decline in mortgage production, according to a new Inside Mortgage Finance ranking and analysis. Mortgage lenders produced an estimated $78 billion of big-ticket home loans to, hopefully, well-to-do borrowers during the final three months of last year. That was down 8.2 percent from the third quarter, a little over half the rate of decline in total mortgage originations during the period. For the full year, jumbo mortgages accounted...[Includes two data tables]