Many consumption prices are highly volatile. It would certainly overburden our cognitive system to fully adjust to all these changes. Households therefore often rely on simple heuristics when deciding what to consume, e.g. in the form of a constant budget share for a specific consumption...

This volume contains papers on Economic Theory and International Trade: The papers on Economic Theory cover the existence and structure of competitive equilibrium in various settings: non-convexities, non-transitivity of preferences, and absence of differentiability or free-disposal assumptions,...