“…Box 3. '1976 This is a representational code in the sense Shech (2015; applies the term. Even if a model contains wholly fictitious or idealizing assumptions (Psillos, 1999, p. 29;Chakravartty, 2007, pp.…”
This paper provides a look into what Lucas meant by the term 'analogue systems' and how he conceived making them useful. It is argued that any model can be regarded as analogue system provided it has remarkable predictive success. The term is thus neutral in terms of usefulness. To be useful, Lucas supposed models to meet further requirements. These prerequisites are introduced in two steps in the paper. First, some properties of 'useless' Keynesian macroeconometric models come to the fore as contrasting cases. Second, it is argued that Lucas suggested two assumptions as the keys to usefulness. One is money as causal instrument, and the other is the choice-theoretic framework to describe the causal mechanisms underlying large-scale fluctuations. It is also argued that Lucas advocated these presumptions for he conceived them to be true. Extensive quotes from Lucas's unpublished materials underpin the claims.
“…Box 3. '1976 This is a representational code in the sense Shech (2015; applies the term. Even if a model contains wholly fictitious or idealizing assumptions (Psillos, 1999, p. 29;Chakravartty, 2007, pp.…”
This paper provides a look into what Lucas meant by the term 'analogue systems' and how he conceived making them useful. It is argued that any model can be regarded as analogue system provided it has remarkable predictive success. The term is thus neutral in terms of usefulness. To be useful, Lucas supposed models to meet further requirements. These prerequisites are introduced in two steps in the paper. First, some properties of 'useless' Keynesian macroeconometric models come to the fore as contrasting cases. Second, it is argued that Lucas suggested two assumptions as the keys to usefulness. One is money as causal instrument, and the other is the choice-theoretic framework to describe the causal mechanisms underlying large-scale fluctuations. It is also argued that Lucas advocated these presumptions for he conceived them to be true. Extensive quotes from Lucas's unpublished materials underpin the claims.
“…10) for a debate regarding whether the partial structures approach can do justice to infinite idealizations. Similarly, see Shech (2015) for an assessment of the inferential account of Suárez (2004) and the interpretational account Contessa (2007) in the context of infinite idealizations. Some have also looked at the ostensible exploratory role that infinite idealizations play with respect to exploring the representational and modal structure of theories (Shech and Gelfert, forthcoming;Massimi 2018).…”
We offer a framework for organizing the literature regarding the debates revolving around infinite idealizations in science, and a short summary of the contributions to this special issue.
“…The idea is that, perhaps, as dispensabilists urge, idealizations are not essential for the explanation of phenomena like PT, SSB, and the Aharonov–Bohm effect, but it does not follow that idealizations play no substantive and indispensible role in science, i.e., this does not mean that idealizations are just there to “make the math easier.” Instead, it is suggested that infinite idealizations may play an indispensible role in the exploration of scientific theories, intertheoretic relations, and phenomena, and that possibly such exploration is needed for deep sense of scientific understanding. Such lines of thought have been investigated by, among others, Butterfield (), Earman (), Gelfert (), Ruetsche (), Shech and Gelfert (), Shech (2015a, 2015b, , , 2018b), and Yi () and can be traced back to work by Redhead () and Wimsatt (). Since this is a current and developing area of research, my goal in this section is just to outline some interesting senses of exploration and identify avenues of future study.…”
Section: Beyond Explanation: the Exploratory Role Of Idealizationsmentioning
In this essay, I provide an overview of the debate on infinite and essential idealizations in physics. I will first present two ostensible examples: phase transitions and the Aharonov-Bohm effect. Then, I will describe the literature on the topic as a debate between two positions: Essentialists claim that idealizations are essential or indispensable for scientific accounts of certain physical phenomena, whiledispensabilists maintain that idealizations are dispensable from mature scientific theory. I will also identify some attempts at finding a middle ground between the essentialists and dispensabilists camps. Finally, I will raise questions for future research on essential and infinite idealizations via the notion of exploration.
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