
Parameter: λ13 Identified
Algebraic Equations:
σ12λ13-σ23
Instrumental Variable:
2 | {}
Parameter: λ34 Identified
Algebraic Equations:
σ13σ23λ34-σ14σ23-σ12σ33λ34+σ12σ34
Parameter: ω11 Identified
Algebraic Equations:
-σ11+ω11
Parameter: ω12 Identified
Algebraic Equations:
-σ12+ω12
Parameter: ω13 Identified
Algebraic Equations:
-σ12σ13+σ11σ23+σ12ω13
Parameter: ω14 Identified
Algebraic Equations:
σ12σ14σ33-σ12σ13σ34+σ13σ23ω14-σ12σ33ω14
Parameter: ω22 Identified
Algebraic Equations:
-σ22+ω22
Parameter: ω24 Identified
Algebraic Equations:
σ14σ232-σ13σ23σ24+σ12σ24σ33-σ12σ23σ34+σ13σ23ω24-σ12σ33ω24
Parameter: ω33 Identified
Algebraic Equations:
2σ12σ13σ23-σ11σ232-σ122σ33+σ122ω33
Parameter: ω44 Identified
Algebraic Equations:
-σ142σ232σ33+2σ13σ14σ232σ34-2σ12σ13σ23σ342+σ122σ33σ342-σ132σ232σ44+2σ12σ13σ23σ33σ44-σ122σ332σ44+σ132σ232ω44-2σ12σ13σ23σ33ω44+σ122σ332ω44
Total Effect of X1 on X4: λ13λ34 Identified
Each Parameter Identified
Algebraic Equations:
σ12λ13-σ23
Instrumental Variable:
2 | {}
Parameter: λ34 Identified
Algebraic Equations:
σ13σ23λ34-σ14σ23-σ12σ33λ34+σ12σ34
Parameter: ω11 Identified
Algebraic Equations:
-σ11+ω11
Parameter: ω12 Identified
Algebraic Equations:
-σ12+ω12
Parameter: ω13 Identified
Algebraic Equations:
-σ12σ13+σ11σ23+σ12ω13
Parameter: ω14 Identified
Algebraic Equations:
σ12σ14σ33-σ12σ13σ34+σ13σ23ω14-σ12σ33ω14
Parameter: ω22 Identified
Algebraic Equations:
-σ22+ω22
Parameter: ω24 Identified
Algebraic Equations:
σ14σ232-σ13σ23σ24+σ12σ24σ33-σ12σ23σ34+σ13σ23ω24-σ12σ33ω24
Parameter: ω33 Identified
Algebraic Equations:
2σ12σ13σ23-σ11σ232-σ122σ33+σ122ω33
Parameter: ω44 Identified
Algebraic Equations:
-σ142σ232σ33+2σ13σ14σ232σ34-2σ12σ13σ23σ342+σ122σ33σ342-σ132σ232σ44+2σ12σ13σ23σ33σ44-σ122σ332σ44+σ132σ232ω44-2σ12σ13σ23σ33ω44+σ122σ332ω44
Total Effect of X1 on X4: λ13λ34 Identified
Each Parameter Identified