Models
- Panel data tobit model
- The distributions of PSIs are skewed
- The value of PSIs is non-negative with a mass at 0
- Tobit models have a conceptual advantage in analyzing data where the distribution of the dependent variable is normal above a limiting value
- PSIit*= β0 + β1CAHit+ ∑β2Xit + ∑β3Zt + εit
- PSIit= max (0, PSIit*)
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