This is the very definition of 'dynamic scoring'.

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the increased incentives to work and invest from this tax plan would increase the size of the economy by 11 percent over the long run.

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Using dynamic scoring has been promoted by Republican legislators to argue that supply-side tax policy, for example the Bush tax cuts of 2001[1] and 2011 GOP Path to Prosperity proposal,[2] return higher benefits in terms of GDP growth and revenue increases than are predicted from static scoring. Some economists[who?] argue that their dynamic scoring conclusions are overstated,[3] pointing out that CBO practices already include some dynamic scoring elements and that to include more may lead to politicization of the department.[4]

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