The successful sales of A Contribution to the Critique of Political Economy stimulated Marx in the early 1860s to finish work on the three large volumes that would compose his major life's work – Das Kapital and the Theories of Surplus Value, which discussed the theoreticians of political economy, particularly Adam Smith and David Ricardo.
Penjualan sukses Kontribusi Kritik Ekonomi Politik, mendorong Marx pada 1860an untuk merampungkan karya tiga volume besar yang akan mengkomposisikan karya besar dalam hidupnya – Das Kapital dan Teori Nilai Surplus, yang membahas paras pakar teori ekonomi politik, yang meliputi Adam Smith dan David Ricardo.