Univ. of Oxford crest

Prof. Godfrey Keller
Dept. of Economics
Univ. of Oxford


Current Position: University Lecturer in Economics; Associate Member of Nuffield College

Research Interests:
Microeconomic theory: in particular, experimentation and dynamic learning, organisational structure, reputation and career concerns, information acquisition and aggregation

e-mail        CV (pdf)


A Note on Optimal Experimentation under Risk Aversion” (2019) Journal of Economic Theory, 179, 476–487, with Vladimír Novák and Tim Willems [DOI: 10.1016/j.jet.2018.11.006]

Breakdowns” (2015) Theoretical Economics, 10, 175–202, with Sven Rady [DOI: 10.3982/TE1670]

Unemployment and Market Size” (2014) Economic Journal, 124, 119–148, with Martin Ellison, Kevin Roberts and Margaret Stevens [DOI: 10.1111/ecoj.12043]

Strategic Experimentation with Poisson Bandits” (2010) Theoretical Economics, 5, 275–311, with Sven Rady [DOI: 10.3982/TE595]

Passive Learning: a critique by example” (2007) Economic Theory, 33, 263–269 [DOI: 10.1007/s00199-006-0140-4]

Strategic Experimentation with Exponential Bandits” (2005) Econometrica, 73, 39–68, with Sven Rady and Martin Cripps [DOI: 10.1111/j.1468-0262.2005.00564.x]

Branching Bandits: A Sequential Search Process with Correlated Pay-offs” (2003) Journal of Economic Theory, 113, 302–315, with Alison Oldale [DOI: 10.1016/S0022-0531(03)00092-9]

Price Dispersion and Learning in a Dynamic Differentiated-Goods Duopoly” (2003) RAND Journal of Economics, 34, 138–165, with Sven Rady [DOI: 10.2307/3087447]

Optimal Experimentation in a Changing Environment” (1999) Review of Economic Studies, 66, 475–507, with Sven Rady [DOI: 10.1111/1467-937X.00095]


“The Essential Self-Adjointness of Differential Operators” (1979a) Proc. Roy. Soc. Edinb. Sect. A, 82, 305–344

“The Essential Self-Adjointness of Differential Operators with Positive Coefficients” (1979b) Proc. Roy. Soc. Edinb. Sect. A, 82, 345–360

Notes & Comments:

Brownian Motion and Normally Distributed Beliefs” (2011) [revised]

Work in Progress:

Undiscounted Bandit Games” (2015) [revised], with Sven Rady

Discussion Papers:

Unemployment, Participation and Market Size” (2007) DP362, Dept. of Economics, Univ. of Oxford, with Kevin Roberts and Margaret Stevens

The (in)appropriate benchmark when beliefs are not the only state variable” (2005) [revision] DP223, Dept. of Economics, Univ. of Oxford

Strategic Experimentation with Exponential Bandits” (2003) DP143, Dept. of Economics, Univ. of Oxford, with Martin Cripps and Sven Rady

©2000, Department of Economics, University of Oxford | Last updated: Jul 2017