Parameter: λ13 Identified

Algebraic Equations:

σ11λ1313

Single Door Criterion:

{1} ⊥ {3} | {}

Parameter: λ14 Identified

Algebraic Equations:

σ12λ1424

Instrumental Variable:

2 | {}

Parameter: ω11 Identified

Algebraic Equations:

1111

Parameter: ω12 Identified

Algebraic Equations:

1212

Parameter: ω14 Identified

Algebraic Equations:

12σ1411σ2412ω14

Parameter: ω22 Identified

Algebraic Equations:

2222

Parameter: ω23 Identified

Algebraic Equations:

σ12σ1311σ2311ω23

Parameter: ω33 Identified

Algebraic Equations:

σ13211σ3311ω33

Parameter: ω34 Identified

Algebraic Equations:

σ13σ1411σ3411ω34

Parameter: ω44 Identified

Algebraic Equations:

12σ14σ2411σ242122σ44122ω44

Vanishing Ideal

Zero Vanishing Ideal