Richard Levins has advocated the scientific merits of qualitative modeling throughout his career. He believed an excessive and uncritical focus on emulating the models used by physicists and maximizing quantitative precision was hindering biological theorizing in particular. Greater emphasis on qualitative properties of modeled systems would help counteract this tendency, and Levins subsequentl...

Different economic characteristics between developing and developed countries may require worker with different skills, resulting in different returns to the same ability. Moreover, it is also possible that different countries require different skills depending on their economic fundamentals. This paper provides evidence of the hypotheses above by comparing the labour market returns to numeracy...

Abstract How to understand and assess arguments in which the popularity of an opinion is put forward as a reason accept that opinion? There exist widely diverging views on how analyse evaluate such from popularity. First, I define concept argument popularity, show typical appeals policy are not genuine Second, acknowledge importance some recent probability-based accounts according epistemically...