[Limdep Nlogit List] best/worst in NLOGIT6

[Michael Burton]

I am wondering how the ‘worst’ choices are dealt with in estimation.  Is the ‘reverse’ logit applied to the worst choices, so the error term is multiplied by -1 and the best and worst choice specification is strictly consistent, or is the more usual ‘stacked’ approach taken, where marginal utilities of the ‘worst’ are flipped, but not the error term?
Thanks
Michael

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