Peruzzi, Edoardo
(2026)
Progress in Model-Based Sciences:Reframing the Relationship Between Horizontal and Vertical Progress in Economics.
In: UNSPECIFIED.
Abstract
Scientific progress in model-based fields has received relatively little attention. One exception is Grüne-Yanoff and Marchionni (2025), who argue that economics, and model-based sciences more generally, progresses primarily horizontally through the accumulation of models. However, their account leaves unclear how horizontal and vertical progress are related. We argue that their view—linking vertical progress to the replacement of models and horizontal progress to their accumulation—is misleading. Focusing instead on theoretical templates, understood as intermediate representational structures generating families of models, we propose a unified framework that further clarifies their account: vertical progress as systematic development within model families, and horizontal progress as the introduction of new templates that serve for model construction.
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Progress in Model-Based Sciences:Reframing the Relationship Between Horizontal and Vertical Progress in Economics. (deposited 08 Jun 2026 18:42)
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