The Adam Smith Institute's Research Director, Sam Bowman, was quoted in The Daily Express, supporting the Prime Minister's pledge to cut taxes for low-income workers.
Plaudits from colleagues and business leaders came after David Cameron's conference performance yesterday.
Tory Chief Whip Michael Gove said "absolutely fantastic speech" had laid out the "very clear choice" for next May.
Chancellor George Osborne said it was Mr Cameron's "best speech" to date and that the contrast with Labour rival Ed Miliband's speech was week "wouldn't be starker".
Sam Bowman of the Adam Smith Institute said: "Tax cuts for the poor are one of the best ways to help beat poverty."