
Parameter: λ12
Parameter: λ13
Parameter: λ23
Parameter: λ24 Identified
Algebraic Equations:
σ12λ24-σ14
Instrumental Variable:
1 | {}
Parameter: ω11 Identified
Algebraic Equations:
-σ11+ω11
Parameter: ω12
Parameter: ω22
Parameter: ω23
Parameter: ω24 Identified
Algebraic Equations:
σ14σ22-σ12σ24+σ12ω24
Parameter: ω33
Parameter: ω34
Parameter: ω44 Identified
Algebraic Equations:
-σ142σ22+2σ12σ14σ24-σ122σ44+σ122ω44
Total Effect of X1 on X3: λ12λ23+λ13
Path-specific Effect of X1 on X3: λ12λ23
Total Effect of X1 on X4: λ12λ24
Parameter: λ13
Parameter: λ23
Parameter: λ24 Identified
Algebraic Equations:
σ12λ24-σ14
Instrumental Variable:
1 | {}
Parameter: ω11 Identified
Algebraic Equations:
-σ11+ω11
Parameter: ω12
Parameter: ω22
Parameter: ω23
Parameter: ω24 Identified
Algebraic Equations:
σ14σ22-σ12σ24+σ12ω24
Parameter: ω33
Parameter: ω34
Parameter: ω44 Identified
Algebraic Equations:
-σ142σ22+2σ12σ14σ24-σ122σ44+σ122ω44
Total Effect of X1 on X3: λ12λ23+λ13
Path-specific Effect of X1 on X3: λ12λ23
Total Effect of X1 on X4: λ12λ24