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Robert Rowthorn Economics Faculty Cambridge University

Robert Rowthorn Economics Faculty Cambridge University. Recent Work . Rowthorn, “ The Evolution of Altruism between Siblings ” (Journal of Theoretical Biology 2006) – Population Genetics

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Robert Rowthorn Economics Faculty Cambridge University

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  1. Robert RowthornEconomics FacultyCambridge University

  2. Recent Work • Rowthorn, “The Evolution of Altruism between Siblings” (Journal of Theoretical Biology 2006) – Population Genetics • Guzman, Rodriguez and Rowthorn, “When in Rome do as the Romans Do: The Co-evolution of Altruistic Punishment, Conformist Learning and Cooperation “ (Evoluton and Human Behavior 2007) – Evolution of Learning Rules, Simulation • Rowthorn and Sethi, “Procedural Rationality and Equilibrium Trust” (forthcoming Economic Journal) – Mathematical Learning Models

  3. Group Size & Hierarchy • In our E&HB paper, group size was exogenous. • Our aim is to make group size endogenous. • We are currently examining the relationship between technology, group size and hierarchy. • There is a big anthropological literature, but little formal modelling. We are reading the literature and have begun the modelling.

  4. Forms of Social Interaction • In our E&HB paper we considered the interaction between learning strategies (conformism and profit-seeking) and social behaviour (cooperation, punishment, defect). • We propose to examine other issues, for example, coordination or distribution problems.

  5. Migration and Assimilation • The benefits of cultural diversity may be offset by communication difficulties and parochial loyalties. • Groups may gain competitive advantage if they limit diversity by restricting immigration or promoting assimilation. • The evolution of such social mechanisms may have genetic counterparts in the form of a high propensity to conform or a high propensity towards xenophobia. • In our E&HB paper we considered some of these issues. We intend to continue this line of inquiry.

  6. Summary • Group Size and Hierarchy – Underway • Alternative Forms Social Interaction – Future • Migration and Assimilation - Future

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