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econ.GN2026
A Random Rule Model
Avner Seror
We model stochastic choice as environment-dependent switching among a small library of deterministic decision rules. A Random Rule Model generates menu-level choice probabilities v…
econ.GN2026
How Many Mechanisms? Measuring Parsimony in Risky Choice
Avner Seror
Behavioral theories rest on parsimony: a small number of mechanisms organizing many decisions. We define a Maximum Rule Concentration Index that measures how parsimoniously a datas…