config.yaml

# Model configuration
model:
  # Number of time periods to simulate (each period is 10 years)
  num_periods: 5
  
  # Functional form for supply and demand
  # RECOMMENDED: Use "log_linear" for accurate elasticity representation
  # WARNING: Other forms are only accurate for small price changes (<10%)
  functional_form: "log_linear"  # Options: "log_linear" (recommended), "linear", "translog", "quadratic", "piecewise"
  
  # Shock analysis parameters
  shock_analysis:
    lower_bound: -0.5  # Minimum shock value (e.g., -1.0 for 100% decrease)
    upper_bound: 0.5   # Maximum shock value (e.g., 1.0 for 100% increase)
    step_size: 0.01    # Increment between shock values
  
  # Parameters for different functional forms
  parameters:
    # Log-linear parameters (recommended)
    log_linear:
      import_elasticity: 1.0
      export_elasticity: 1.0
    
    # Linear parameters (only accurate for small changes)
    linear:
      import_elasticity: 1.0
      export_elasticity: 1.0
    
    # Translog parameters (only accurate for small changes)
    translog:
      import_elasticity: 1.0
      export_elasticity: 1.0
      import_quadratic_term: 0.1
      export_quadratic_term: 0.05
    
    # Quadratic parameters (only accurate for small changes)
    quadratic:
      import_elasticity: 1.0
      export_elasticity: 1.0
      import_quadratic_term: 0.1
      export_quadratic_term: 0.05
    
    # Piecewise linear parameters (only accurate for small changes)
    piecewise:
      import_elasticity_low: 3.0
      import_elasticity_high: 1.5
      export_elasticity_low: 1.5
      export_elasticity_high: 0.75
      price_threshold: 1.2  # Threshold for switching between low and high elasticities

# Plotting configuration
plotting:
  figure_size: [10, 12]
  font_size: 14
  colors:
    domestic_supply: "blue"
    import_supply: "green"
    export_demand: "red"
    domestic_demand: "purple"
    price: "orange"