Professor Magnus Enqvist
Professor Magnus Enqvist

Seminariet äger rum onsdag den 31 maj 2017, kl 14-15 i rum 357, Frescati Hagväg 14, plan 3.

Abstract

Many cultural traits exhibit volatile dynamics, commonly dubbed fashions or fads. I will talk about a paper in which we show that realistic fashion-like dynamics emerge spontaneously if individuals can copy others’ preferences for cultural traits as well as traits themselves. In the paper we demonstrate this dynamics in simple mathematical models of the diffusion, and subsequent abandonment, of a single cultural trait which individuals may or may not prefer. We then simulate the coevolution between many cultural traits and the associated preferences, reproducing power-law frequency distributions of cultural traits (most traits are adopted by few individuals for a short time, and very few by many for a long time), as well as correlations between the rate of increase and the rate of decrease of traits (traits that increase rapidly in popularity are also abandoned quickly and vice versa). We also establish that alternative theories, that fashions result from individuals signaling their social status, or from individuals randomly copying each other, do not satisfactorily reproduce these empirical observations.

Avdelningen för personlighets-, social- och utvecklingspsykologi ansvarar för dagens seminarium.

Om Allmänna seminarieserien

Institutionens forskningsavdelningar samarbetar i Allmänna seminarieserien, där nationella och internationella forskare inbjuds att tala om aktuella forskningsämnen. Seminarierna äger rum onsdagar kl 14-15 i rum 357 om annat ej anges. Extraseminarier kan förekomma på andra dagar och tider, bl a halvtidsseminarier i forskarutbildningen.

Detta är vårterminens sista ordinarie seminarium. Välkommen åter i höst!

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