Thomas Piketty's capitalism revisited
In: Panoeconomicus: naučno-stručni časopis Saveza Ekonomista Vojvodine ; scientific-professional journal of Economists' Association of Vojvodina, Band 62, Heft 5, S. 663-677
ISSN: 2217-2386
Thomas Piketty?s international best selling Capital in the Twenty-First
Century lays out his theory of a long-run rise in income inequality under
capitalism. It is written as a manifesto urging reintegration of social
sciences. A number of reviewers judged it on ideological grounds, labeling it
either as a revolution in economic thinking, or dismissing it offhandedly.
Piketty?s theory of rising inequality is based on the two Fundamental Laws of
Capitalism, developed after the Solow growth model. However, this model is
inconsistent with Piketty?s own characterization of modern capitalism.
Moreover, his sole justification for the constant discrepancy between rate of
return and rate of income growth (r > g) is based on the high elasticity of
substitution between capital and labor. However, that is just one factor that
can have an influence on factor income shares. By failing to offer a
consistent theory of rising inequality, his piece can hardly be considered as
a useful founding stone for a new social science.