With oil prices hitting multiyear lows this week, now might seem like a good time for residential lenders to tighten up underwriting standards in oil-producing states such as Alaska, Oklahoma, North Dakota and Texas. But so far, lending executives hardly seem worried. Jim Picard, vice president at Denali Home Loans in Alaska, said the state has suffered some job losses in oil “but we’re still at full employment.” He noted that energy jobs are a small part of Alaska’s economy ...