Early on, in the “preface” to second (revised, 2022) edition of The Philosophy of Philosophy, Timothy Williamson notes that collaborating with the economist, Hyun Song Shin, gave him “experience of the differences in research culture between two disciplines when dealing with the same phenomena.” Crucially, he learns from the economist that the “model-building approach, on which models are assumed from the outset to involve drastic simplifications of the reality under study, so that a mere discrepancy between model and reality is not news, and just pointing it out is not considered a significant intellectual contribution.