Original sentence: Neoliberalism is a label for classical liberalism].The term is applied only by critics of the doctrine,, to the point where one commentator remarked "the concept itself has become an imprecise exhortation in much of the literature, often describing any tendency deemed to be undesirable"
Edited sentence: Neoliberalism is a late-twentieth-century  political philosophy, actually a continuance and redefinition of classical liberalism, influenced by the neoclassical theories of economics.The term is most often applied by critics of the doctrine,, to the point where one commentator remarked "the concept itself has become an imprecise exhortation in much of the literature, often describing any tendency deemed to be undesirable"