On Fri, 1 Jun 2012, Anutechia Asongu wrote:
 Dear All,
              My 2SLS results without HAC standard errors are promising 
 whereas those with HAC standard errors are not. Hitherto, I have been 
 used to robust HAC standard errors in my estimations. I'll like to 
 enquire if a  sound case could be made for presenting results without 
 HAC standard errors. 
The prevailing attitude in the scientific community is to report those 
which look better to you. Of course, the next step is to ignore what your 
discussants say and accuse your referees of blatant bias and incompetence.
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  Riccardo (Jack) Lucchetti
  Dipartimento di Economia
  Università Politecnica delle Marche
  (formerly known as Università di Ancona)
  r.lucchetti(a)univpm.it
  
http://www2.econ.univpm.it/servizi/hpp/lucchetti
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