Original sentence: Largely under the influence of the Cambridge economist Nicholas Kaldor, an idiosyncratic "selective employment tax (SET)" was introduced that was designed to tax employment in service sectors while subsidising employment in manufacturing (Kaldor's rationale dervied from claims about potential economies of scale and technological progress)
Edited sentence: Largely under the influence of the Hungarian economists Nicholas Kaldor and Thomas Balogh, an idiosyncratic "selective employment tax (SET)" was introduced that was designed to tax employment in the service sectors while subsidising employment in manufacturing (the rationale proposed by its economist authors derived laregly from claims about potential economies of scale and technological progress, but Wilson in his memoirs stressed the tax's revenue-raising potential)