Investec economist Philip Shaw said he still expected the deficit to overshoot the Office for Budget Responsibility's forecasts from the Autumn Statement last year.
Rep. Dave Camp, chairman of the House Ways and Means Committee and a leading Republican voice on taxes and the deficit, will undergo treatment for non-Hodgkin's lymphoma, he said in a written statement on Saturday.
While Mr Cridland supported the coalition government's determination to cut the deficit, he urged the Chancellor George Osborne to unveil a "Plan A Plus" in his autumn statement later this month.