https://en.m.wikipedia.org/wiki/Signalling_theory https://en.m.wikipedia.org/wiki/Signalling_theory I think I first heard it while studying sociology in 2006;

https://en.m.wikipedia.org/wiki/Signalling_theory https://en.m.wikipedia.org/wiki/Signalling_theory I think I first heard it while studying sociology in 2006; signals were also a common topic in my econ degree.