... Ricardo’s dynamic vision From the corn model to the labour theory of value Absolute value and exchangeable value: the invariable standard of value Money and taxation International trade and the. .. (Nanterre), at the Faculty of Statistics and the doctorate courses in Economic Sciences of the University of Rome (La Sapienza), and at the Institute Sant’ Anna of Pisa I have also taken part... accompanied by the accumulation of anomalies, namely of phenomena that are either unexplained or that require for their explanation an increasingly heavy load of ad hoc assumptions A growing malaise derives