1. Optimization of the spectral radius of a product for nonnegative matrices;J Axtell;Linear Algebra and Its Applications,2009
2. Who's who in networks. Wanted: The key player;C Ballester;Econometrica,2006
3. Targeting the key player: An incentive-based approach;M Belhaj;Journal of Mathematical Economics,2018
4. Contracting with heterogeneous externalities;S Bernstein;American Economic Journal: Microeconomics,2012
5. Loss aversion and conspicuous consumption in networks;Y Bramoull�;CEPR Discussion Paper No. DP17181, available at SSRN,2022