Parameter: λ12 Identified

Algebraic Equations:

σ11λ1212

Single Door Criterion:

{1} ⊥ {2,3} | {}
{1} ⊥ {2} | {3}

Parameter: λ34 Identified

Algebraic Equations:

σ12σ1411σ23λ3411σ24

Instrumental Variable:

2 | {1}

Parameter: ω11 Identified

Algebraic Equations:

1111

Parameter: ω14 Identified

Algebraic Equations:

1414

Parameter: ω22 Identified

Algebraic Equations:

σ12211σ2211ω22

Parameter: ω23 Identified

Algebraic Equations:

2323

Parameter: ω33 Identified

Algebraic Equations:

3333

Parameter: ω34 Identified

Algebraic Equations:

12σ14σ3311σ24σ3311σ23σ3411σ23ω34

Parameter: ω44 Identified

Algebraic Equations:

122σ142σ33+2σ11σ12σ14σ24σ33112σ242σ33-2σ11σ12σ14σ23σ34+2σ112σ23σ24σ34112σ232σ44112σ232ω44

Vanishing Ideal


Constraint Set:

σ13

All constraints are determinantal

Trek-separation:

{1} ⊥ {3} | ({},{})