SGU_2003.mod, line 263

[camilomrch]

In Model 3, Equation (29) on page 171 of the original paper JIE published version, the authors use the specification $+\frac{\psi_3}{2}(d-\bar{d})^2$, while the code currently implements $+\psi_3(d-\bar{d})^2$ without the division by 2.
I suspect this to be a typo.

Best,

Camilo