This thesis is conceived as a collection of essays on deterministic group contests with non-standard impact functions. Chapter 1 characterizes the set of subgame perfect Nash equilibria in pure strategies in a deterministic two-group contest with the weakest-link impact function, that is a max-min group contest, as defined by Chowdhury, Lee, and Topolyan (2016), with binary actions and endogenous sharing rules under complete information. Chapter 2 considers a continuous action set instead. Chapter 3 introduces incomplete information à la global games in max-min group contests and characterizes the set of Bayes Nash equilibria. Finally, Chapter 4 introduces incomplete information à la global games in deterministic group contests with the best-shot impact function and addresses the existence of Bayes Nash equilibria in (monotonic) switching strategies.
La presente tesi è concepita come una raccolta di saggi sui group contests deterministici con funzioni d’impatto non standard. Il Capitolo 1 caratterizza l’insieme degli equilibri di Nash perfetti nei sottogiochi in strategie pure in un group contest deterministico a due gruppi con funzione d’impatto weakest-link, ossia un max–min group contest, come definito da Chowdhury, Lee e Topolyan (2016), con azioni binarie e regole di condivisione endogene in condizioni di informazione completa. Il Capitolo 2, invece, considera un insieme di azioni continuo. Il Capitolo 3 introduce informazione incompleta à la global games nei max–min group contests e caratterizza l’insieme degli equilibri di Nash bayesiani. Infine, il Capitolo 4 introduce informazione incompleta à la global games nei group contests deterministici con funzione d’impatto best-shot e discute l'esistenza di equilibri di Nash bayesiani in strategie (monotone) a soglia.
Essays on Group Contests
SORRENTINO, ANDREA
2026
Abstract
This thesis is conceived as a collection of essays on deterministic group contests with non-standard impact functions. Chapter 1 characterizes the set of subgame perfect Nash equilibria in pure strategies in a deterministic two-group contest with the weakest-link impact function, that is a max-min group contest, as defined by Chowdhury, Lee, and Topolyan (2016), with binary actions and endogenous sharing rules under complete information. Chapter 2 considers a continuous action set instead. Chapter 3 introduces incomplete information à la global games in max-min group contests and characterizes the set of Bayes Nash equilibria. Finally, Chapter 4 introduces incomplete information à la global games in deterministic group contests with the best-shot impact function and addresses the existence of Bayes Nash equilibria in (monotonic) switching strategies.| File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.14242/359507
URN:NBN:IT:UNIMIB-359507