WASHINGTON (AP) – President Barack Obama has agreed to curtail future cost-of-living increases for recipients of Social Security and softened his demand for higher taxes at upper income levels as part of accelerating negotiations with House Speaker John Boehner to avoid a “fiscal cliff,” people familiar with the talks said Monday.

Speaking a few hours after Obama and Boehner met at the White House, these people said the president was now seeking a higher tax rate beginning at incomes over $400,000, up from the levels of $200,000 for individuals and $250,000 for couples that were cornerstones of his successful campaign for re-election.

Obama’s willingness to reduce future cost-of-living increases in Social Security, government retirement and numerous other programs marked another clear concession to Boehner, although it came with an asterisk. The president wants lower-income recipients to receive protection against any loss from scaling back future cost of living increases, these officials said.