Pier Luigi Porta reports that there is currently a lively debate on the legacy of Piero Sraffa's research and its contribution to modern economics, all this in conjunction with the opening of Sraffa's archives twenty years ago. Sraffa's major work was published half a century ago, and it influence economic thinking back then. But Economics moved on, we found new techniques, models and evidence. What is the purpose of going back to outdated theories? I realize that sometimes you need to take a few steps back when you realize you got into a dead-end, but that does not mean one should worship old science and look for its traces everywhere.
There are, however, circumstances where the history of economic thought is useful. For example, there certainly are some fads in economic research and it would be useful to learn how they emerge. Fads are a waste of time and should be prevented. It can also be useful to understand how some people can lead economic thinking onto a particular path, especially when there are some self-interests attached (and the path turns out to be a dead-end). But this is more about group psychology than hero worship.
Maybe someone can help me understanding why we need this debate about the importance of Sraffa in current economic thinking. I do not see it.
There are, however, circumstances where the history of economic thought is useful. For example, there certainly are some fads in economic research and it would be useful to learn how they emerge. Fads are a waste of time and should be prevented. It can also be useful to understand how some people can lead economic thinking onto a particular path, especially when there are some self-interests attached (and the path turns out to be a dead-end). But this is more about group psychology than hero worship.
Maybe someone can help me understanding why we need this debate about the importance of Sraffa in current economic thinking. I do not see it.
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