Parameter: λ₁₂

Parameter: λ₁₄ Identified

Algebraic Equations:

σ₁₁λ₁₄-σ₁₄

Single Door Criterion:

{1} ⊥ {3,4} | {}
{1} ⊥ {4} | {3}

Parameter: λ₃₄ Identified

Algebraic Equations:

σ₁₂σ₁₄+σ₁₁σ₂₃λ₃₄-σ₁₁σ₂₄

Instrumental Variable:

2 | {1}

Parameter: ω₁₁ Identified

Algebraic Equations:

-σ₁₁+ω₁₁

Parameter: ω₁₂

Parameter: ω₂₂

Parameter: ω₂₃ Identified

Algebraic Equations:

-σ₂₃+ω₂₃

Parameter: ω₃₃ Identified

Algebraic Equations:

-σ₃₃+ω₃₃

Parameter: ω₃₄ Identified

Algebraic Equations:

-σ₁₂σ₁₄σ₃₃+σ₁₁σ₂₄σ₃₃-σ₁₁σ₂₃σ₃₄+σ₁₁σ₂₃ω₃₄

Parameter: ω₄₄ Identified

Algebraic Equations:

σ₁₁σ₁₄²σ₂₃²-σ₁₂²σ₁₄²σ₃₃+2σ₁₁σ₁₂σ₁₄σ₂₄σ₃₃-σ₁₁²σ₂₄²σ₃₃-2σ₁₁σ₁₂σ₁₄σ₂₃σ₃₄+2σ₁₁²σ₂₃σ₂₄σ₃₄-σ₁₁²σ₂₃²σ₄₄+σ₁₁²σ₂₃²ω₄₄

Vanishing Ideal

Constraint Set:

σ₁₃

All constraints are determinantal

Trek-separation:

{1} ⊥ {3} | ({},{})