Private mortgage insurers are optimistic the industry will remain competitive and expect a boost in new business as a result of the FHA’s recent premium price adjustments, but things may change for better or for worse depending on how economic factors play out in 2012. Officials at Radian Guaranty and Mortgage Guaranty Insurance Corp. said 2012 may yet turn out be a good year despite pessimistic outlooks by rating agencies. MI executives point to the declining unemployment rate and loan defaults as positive signs. Radian sees the recent FHA pricing changes as an opportunity for the MI industry...