- chartpack:
    format: gcubed-chartpack
    version: 1.4.0
    title: Ordered policy-layer contribution in 2030
    sector_selection_dimensions:
    - sectors
    - layers
    defaults:
      start_year: 2025
      end_year: 2035
- chart:
    title: Ordered policy-layer contribution in 2030
    chart_type: waterfall
    show_labels: true
    year: 2030
    year_selector: true
    level_base: 100
    caption: Ordered contributions reconcile from zero; the report table derives an absolute level from base 100.
    x_axis:
      label: Policy layer
    y_axis:
      label: GDP change (US$ billion, 2025 prices)
      min: -25
      max: 5
    series:
    - variable: SYNTHGDPCHANGE(BASELINE,USA)
      label: Baseline
      role: start
    - variable_prefix: SYNTHGDPCONTRIBUTION
      selectors:
        regions: USA
      role: contribution
    - variable: SYNTHGDPCHANGE(PACKAGE,USA)
      label: Final package
      role: total