Campos, Christopher; Bruhn, Jesse; Chyn, Eric; Vazquez, … - 2026
) systems: (i) are the modal design; (ii) are harder to navigate; and (iii) have participation that is concentrated among more … of this design choice in the Los Angeles Unified School District, the largest opt-in system in the country, combining … design stakes clear: information and travel-cost reductions have limited effects, whereas reforms that change the …