Editing David Ricardo (section)

=== Technological change ===
Ricardo was concerned about the impact of technological change on labour in the short-term.<ref name=":0">{{Cite journal|last=Hollander|first=Samuel|year=2019|title=Retrospectives Ricardo on Machinery|journal=Journal of Economic Perspectives|volume=33|issue=2|pages=229–242|doi=10.1257/jep.33.2.229|issn=0895-3309|doi-access=free}}</ref> In 1821, he wrote that he had become "convinced that the substitution of machinery for human labour, is often very injurious to the interests of the class of labourers", and that "the opinion entertained by the labouring class, that the employment of machinery is frequently detrimental to their interests, is not founded on prejudice and error, but is conformable to the correct principles of political economy."<ref name=":0" /> Ricardo's idea of technological change is now formulated in a modern form.<ref name="Shiozawa20">Shiozawa, Y. (2020) A new framework for analyzing technological change. ''Journal of Evolutionary Economics''. '''30''': 989–1034.</ref>