Neural Demand Estimation with Habit Formation and Rationality Constraints
We develop a flexible neural demand system for continuous budget allocation that estimates budget shares on the simplex by minimizing KL divergence. Shares are produced via a softmax of a state-dependent preference scorer and disciplined with regularity penalties (monotonicity, Slutsky symmetry) to support coherent comparative statics and welfare without imposing a parametric utility form. State dependence enters through a habit stock defined as an exponentially weighted moving average of past consumption. Simulations recover elasticities and welfare accurately and show sizable gains when habit formation is present. In our empirical application using Dominick's analgesics data, adding hab...
| Authors | Marta Grzeskiewicz |
|---|---|
| Primary category | econ.GN |
| Published | 2 March 2026 |
| Last updated at source | 2 March 2026 |
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