Years of warnings from securities issuers and investors about regulatory uncertainty appear to have shifted to actual consequences as liquidity in the MBS and ABS markets has declined significantly in recent months. Almost every panel session at the ABS Vegas conference produced by Information Management Network and the Structured Finance Industry Group this week included comments regarding liquidity and regulation. Daniel McGarvey, the head of U.S. asset-backed products origination at Societe Generale, noted that in recent months spreads on MBS and ABS have increased due to illiquidity. “Credit risk is not currently a driver of credit spreads,” he said. “This should be a concern for all of us in the securitization market.” Delinquencies and losses, traditional factors in liquidity, remain...