Ginnie Mae may have reported potentially inaccurate data to Congress about its exposures because estimates were not based on the best available data, according to a recent report by the Government Accountability Office. The agency’s sensitivity analysis also ignored important data, which could affect the accuracy of its cash-flow forecasts, the report said. Although Ginnie Mae has revised its cash-flow forecast model, it has not implemented practices identified in Federal Accounting Standards Advisory Board guidance and risk-budgeting guidance, the report noted. By ignoring such practices, Ginnie Mae’s model may not be ...