Parameter: λ12 Identified

Algebraic Equations:

σ11λ1212

Single Door Criterion:

{1} ⊥ {2} | {}

Parameter: λ13

Parameter: λ23

Parameter: ω11 Identified

Algebraic Equations:

1111

Parameter: ω13

Parameter: ω14 Identified

Algebraic Equations:

1414

Parameter: ω22 Identified

Algebraic Equations:

σ12211σ2211ω22

Parameter: ω23

Parameter: ω24 Identified

Algebraic Equations:

σ12σ1411σ2411ω24

Parameter: ω33

Parameter: ω44 Identified

Algebraic Equations:

4444

Total Effect of X1 on X3: λ12λ2313

Path-specific Effect of X1 on X3: λ12λ23

Vanishing Ideal

Zero Vanishing Ideal