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"Hessian has become unstable or asymmetric" error in Panel ARDL model
"Hessian has become unstable or asymmetric" error in Panel ARDL model

Dear All,
I try to run panel ARDL model to apply these variables: inflation, capacity utilisation, credit, and profit.

model is:
xtpmg inflation1diff rdiff credit1dif netprofit1dif if year>=2008, lr( l.inflation r credit profit ) ec(ec) replace pmg

inflation1diff, rdiff, credit1dif and netprofit1dif are varibales that i already took first difference of them.
After running model, i get this error: "Hessian has become unstable or asymmetric"
what is the problem in this setting. Could you possible help me?

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"Hessian has become unstable or asymmetric" error in Panel ARDL model

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Home / Data Cleaning / Data management / Data Processing / "Hessian has become unstable or asymmetric" error in Panel ARDL model "Hessian has become unstable or asymmetric" error in Panel ARDL model

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