Parameter: λ23

Parameter: λ24 Identified

Algebraic Equations:

σ232λ2422σ33λ2424σ3323σ34

Single Door Criterion:

{2} ⊥ {4} | {3}

Parameter: λ34 Identified

Algebraic Equations:

σ232λ3423σ2422σ33λ3422σ34

Single Door Criterion:

{3} ⊥ {4} | {2}

Parameter: ω11 Identified

Algebraic Equations:

1111

Parameter: ω12 Identified

Algebraic Equations:

1212

Parameter: ω13

Parameter: ω14 Identified

Algebraic Equations:

14σ23213σ23σ2414σ22σ3312σ24σ3313σ22σ3412σ23σ34232ω1422σ33ω14

Parameter: ω22 Identified

Algebraic Equations:

2222

Parameter: ω23

Parameter: ω33

Parameter: ω44 Identified

Algebraic Equations:

242σ33+2σ23σ24σ3422σ342232σ4422σ33σ44232ω4422σ33ω44

Total Effect of X2 on X4: λ23λ3424

Path-specific Effect of X2 on X4: λ23λ34

Vanishing Ideal

Zero Vanishing Ideal