{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp03_full320_20260801","cell_id":"deadweight_loss_reduction__architecture_urban_planning","trajectory_id":"R","attempt_index":0,"archetype_slug":"deadweight_loss_reduction","domain_slug":"architecture_urban_planning","decision":"CANDIDATE","problem_id":"static_curb_allocation_peak_mismatch","causal_lever_id":"scarcity_responsive_curb_access_with_equity_reservations","proposal":{"problem":"Urban curb space is commonly assigned by fixed use, time limit, permit, or flat price despite demand varying by place and hour. At peaks this can produce cruising, double-parking, blocked loading, and unreliable access while nearby or off-peak capacity remains underused. The independently recognizable problem is a temporal and allocation mismatch, not necessarily too little curb space.","actors_substrate":["municipal transportation and planning agencies","residents and visitors using curb parking","delivery, service, taxi, and ride-hail operators","businesses and property occupants","disabled travelers and paratransit users","transit, cycling, and emergency-service users","public curb lanes, bays, signs, meters, permits, and enforcement systems"],"observable_state":"Repeated peak-period occupancy near saturation, cruising or queues, illegal stopping and loading, unreliable access, and simultaneous underuse in adjacent locations or periods; incidence differs by user group.","consequence":"High-value, time-sensitive curb uses are rationed by waiting, search, or illegal substitution rather than accommodated through time-sensitive allocation, destroying time and street capacity and imposing spillovers on other street users.","affected_objective":"Increase reliable and beneficial use of fixed curb capacity while preserving accessibility, safety, resident access, public-realm functions, and equitable mobility.","structural_mapping":[{"archetype_element":"Value-blocking wedge","domain_realization":"Fixed curb designations, flat charges, permit rules, and time limits fail to reflect temporal demand and prevent reallocation among parking, loading, pickup, and access uses.","claim_kind":"INFERENCE"},{"archetype_element":"Visible shortage and idle capacity","domain_realization":"Peak cruising, queues, and illegal stopping coexist with slack capacity at other blocks or times.","claim_kind":"HYPOTHESIS"},{"archetype_element":"Mutually beneficial activity blocked","domain_realization":"Travelers, deliveries, businesses, and the city could gain from more reliable access and less search traffic if curb slots shifted across time and use.","claim_kind":"HYPOTHESIS"},{"archetype_element":"Protected purpose","domain_realization":"Existing rules may protect disabled access, residential stability, affordability, loading, safety, transit movement, and administrability.","claim_kind":"INFERENCE"},{"archetype_element":"Specific redesign","domain_realization":"Pilot time-varying prices and use designations, with reserved non-priced access and explicit price ceilings, on a bounded set of curb segments.","claim_kind":"HYPOTHESIS"},{"archetype_element":"Behavioral and rebound loop","domain_realization":"Users may retime, relocate, substitute modes, evade rules, or shift congestion to neighboring blocks, requiring monitoring and adjustment.","claim_kind":"INFERENCE"}],"component_map":[{"component":"Distortion Map","status":"direct","domain_realization":"Map each fixed curb rule to occupancy, waiting, illegal substitution, and slack periods."},{"component":"Protected Constraint Safeguard","status":"direct","domain_realization":"Reserve accessible, emergency, transit, safety, and essential loading functions; cap burdens on protected users."},{"component":"Surplus Estimate","status":"direct","domain_realization":"Estimate avoided search, delay, blocked-lane time, and improved access, with uncertainty ranges."},{"component":"Affected-Party Incidence Map","status":"direct","domain_realization":"Record gains, payments, displacement, exposure, and indirect effects by user group and neighboring block."},{"component":"Redesign Lever","status":"direct","domain_realization":"Vary curb price and permitted use by observed demand, time, and location."},{"component":"Distributional Review","status":"direct","domain_realization":"Test whether charges or relocation burdens fall disproportionately on low-income, disabled, caregiving, or shift-work travelers."},{"component":"Behavioral Response Model","status":"direct","domain_realization":"Model retiming, relocation, mode substitution, induced demand, evasion, and spillover parking."},{"component":"Implementation Boundary","status":"direct","domain_realization":"Limit the pilot to specified curb faces, hours, user classes, price bounds, and a fixed duration."},{"component":"Monitoring and Rebound Check","status":"direct","domain_realization":"Track occupancy, search time, violations, blocked lanes, nearby spillover, access complaints, and safety proxies."},{"component":"Rollback or Adjustment Rule","status":"direct","domain_realization":"Revert designations or reduce/freeze prices if protected access, safety, or spillover thresholds fail."},{"component":"Cost–Benefit Assessment Frame","status":"direct","domain_realization":"Compare full public and private benefits, administrative costs, payments as transfers, and external effects."},{"component":"Price-Wedge Diagnostic","status":"direct","domain_realization":"Test whether flat or zero pricing causes peak rationing by waiting rather than merely reflecting insufficient supply."},{"component":"Friction Source Breakdown","status":"adapted","domain_realization":"Separate price mismatch from signage complexity, payment difficulty, enforcement gaps, physical scarcity, and information failure."},{"component":"Compensating Adjustment Plan","status":"direct","domain_realization":"Provide exemptions, credits, validated loading access, or revenue-funded mobility benefits for materially burdened groups."},{"component":"Legitimacy and Authority Review","status":"direct","domain_realization":"Confirm municipal authority, public process, revenue constraints, accessibility duties, and acceptable allocation principles."},{"component":"Sensitivity Analysis","status":"direct","domain_realization":"Vary demand elasticity, time values, spillover radius, enforcement cost, and distributional weights."},{"component":"Pilot or Sunset Path","status":"direct","domain_realization":"Use an expiring pilot that returns to baseline unless evidence supports renewal or revision."}],"mechanism_dispositions":[{"slug":"congestion_or_capacity_pricing_adjustment","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Apply bounded time- and location-varying curb charges and use rules to shift flexible demand away from saturated periods.","counterfactual_removal":"Without scarcity-responsive allocation, the proposed intervention would not directly repair peak/off-peak mismatch."},{"slug":"cost_benefit_assessment_protocol","disposition":"selected_supporting","contribution_type":"TEST_DESIGN","adaptation_or_rejection":"Use a two-sided welfare ledger, incidence review, and sensitivity ranges before continuation.","counterfactual_removal":"The causal lever remains, but continuation could be justified by misleading occupancy or revenue figures."},{"slug":"distortion_reduction_review","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Establish that static allocation, rather than genuine capacity scarcity or a protective reservation, causes recoverable loss.","counterfactual_removal":"The pilot could mistake necessary scarcity or protection for avoidable distortion."},{"slug":"impact_assessment_table","disposition":"selected_supporting","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Pre-register effects and halt indicators for each affected group and adjacent area.","counterfactual_removal":"Aggregate improvement could conceal concentrated access loss or displaced congestion."},{"slug":"matching_improvement_program","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"The primary failure is temporal curb allocation, not inability of willing counterparties to find one another.","counterfactual_removal":"No material change; no matching institution is proposed."},{"slug":"permit_or_approval_streamlining","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Approval delay is not the identified wedge.","counterfactual_removal":"No material change to the causal chain."},{"slug":"price_control_redesign","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"A flat curb price resembles an administered price, but the selected capacity-pricing mechanism more precisely addresses time-varying scarcity; equity protections are retained separately.","counterfactual_removal":"No material change because no general price cap, floor, or subsidy redesign is required."},{"slug":"quota_or_allocation_rule_review","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Review fixed curb-use reservations separately from the legitimate total capacity and protected reservations.","counterfactual_removal":"Prices alone could not reassign space among parking, loading, pickup, and other eligible uses."},{"slug":"regulatory_simplification_pilot","disposition":"selected_supporting","contribution_type":"TEST_DESIGN","adaptation_or_rejection":"Adapt its bounded, instrumented, expiring structure to curb-rule changes rather than reduced substantive review.","counterfactual_removal":"The redesign would lack a contained and reversible evidence path."},{"slug":"sunset_clause_review","disposition":"selected_supporting","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Make the experimental schedule expire unless affirmatively renewed on evidence.","counterfactual_removal":"Pilot rules could persist through inertia despite harms or weak results."},{"slug":"tariff_fee_or_toll_redesign","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"The charge is an allocation signal for scarce curb capacity, not chiefly a legacy revenue or cost-recovery fee.","counterfactual_removal":"No material change; authority and revenue questions are handled in the legitimacy review."}],"causal_chain":["Static curb rules ignore changing scarcity and use value.","At peaks, demand is rationed through search, waiting, illegal stopping, or displacement while other times and locations remain slack.","A bounded scarcity-responsive price and use schedule gives flexible users incentives to retime, relocate, or substitute.","Protected reservations, credits, price bounds, and enforcement preserve access and prevent ability-to-pay from becoming the sole allocation rule.","Reduced peak saturation should improve availability and reduce cruising and blocked-lane behavior.","Monitoring detects rebound, neighborhood displacement, inequity, and safety degradation; preset rules adjust or end the pilot."],"baseline":"Continue fixed curb designations, residential permits, flat or zero charges, uniform time limits, and complaint-driven enforcement.","nearest_rival":"Keep fixed prices and designations but improve signs, availability information, payment systems, and enforcement. This lowers information and compliance friction but does not repair a binding temporal allocation wedge.","authority_safety":{"affected_parties":["disabled travelers and paratransit users","low-income and shift-work travelers","residents and permit holders","delivery and service workers","local businesses and visitors","transit riders, cyclists, and pedestrians","adjacent neighborhoods","emergency services"],"decision_authority":"The municipal body legally responsible for curb regulation and pricing, subject to required council, accessibility, public-process, and revenue-use constraints.","authorized_first_step":"Run a time-limited pilot on a small, pre-specified set of curb faces with control sites, published price bounds, preserved accessible and emergency spaces, equity credits, and pre-registered outcome and halt thresholds.","excluded_actions":["citywide permanent rollout before evaluation","removal or pricing of legally protected accessible or emergency access","unbounded surge pricing","using revenue as the primary success measure","changing adjacent traffic or land-use rules outside the pilot authority","continuing automatically after expiry"],"halt_rollback":"Pause price increases or restore prior rules if serious safety events plausibly rise, protected access falls below its threshold, spillover violations materially worsen on control-adjacent blocks, payment or enforcement failures deny lawful access, or distributional burdens exceed preset limits; sunset fully if harms cannot be corrected within the pilot."}},"negative_tests":{"strongest_counterevidence":"The observed queues may reflect genuinely insufficient curb capacity, concentrated destinations, weak enforcement, or indispensable protected reservations; dynamic allocation might merely charge for scarcity and shift parking to less powerful neighborhoods without reducing total delay.","analogy_break":"Unlike a fungible market resource, curb access has place-specific public-realm, accessibility, safety, and network functions. Willingness to pay is not equivalent to social value, and reallocating one bay can affect people who are not parties to the transaction.","failure_condition":"The proposal is unsuitable where protected uses consume the apparent slack, demand cannot shift across time or nearby space, pricing technology or enforcement is unreliable, or lawful authority cannot provide exemptions and rollback.","problem_falsifier":"Matched observations show no recurring coexistence of peak search/illegal stopping and usable slack across relevant times or nearby locations, or show that the behavior is explained mainly by unavoidable physical scarcity or information/enforcement friction rather than static allocation.","intervention_falsifier":"Relative to comparable control sites, the pilot does not materially improve availability, search time, reliable loading, or blocked-lane outcomes, or any improvement is offset by increased safety incidents, adjacent spillover, exclusion of protected users, or unacceptable concentrated burdens.","risks":["ability to pay displaces need-based access","spillover parking and enforcement burdens move to adjacent blocks","privacy loss from occupancy or license-plate monitoring","algorithmic or meter failure produces arbitrary charges","revenue incentives bias price setting upward","retiming creates new peaks or induced demand","commercial turnover gains come at residents' expense","complex schedules confuse users and increase violations"]},"null_rationale":null,"classification":{"candidate_kind":"MECHANISM_COMPOSITION","prior_art_status":"UNSEARCHED","evidence_maturity":"HYPOTHESIS"},"revision_change_log":{"revision_kind":"ORIGINAL","prior_problem_id":null,"prior_causal_lever_id":null,"problem_changed":false,"causal_lever_changed":false,"conceptual_changes":[],"operational_changes":[],"repairs_addressed":[]},"confidence":0.86,"generator_notes":"Closed-book structural inference from the supplied archetype, domain primes, and mechanisms. Empirical performance and local legal feasibility are unverified."}