This is BibTeX, Version 0.99cThe top-level auxiliary file: guide.aux
The style file: Usmad.bst
Database file #1: michel.bib
I was expecting a `,' or a `}'---line 248 of file michel.bib
 : 
 : journal = "Computational Economics",
(Error may have been on previous line)
I'm skipping whatever remains of this entry
(There was 1 error message)