No; I don't think so. But you can write your own command wiring this in.  
program mylist
	version 8 
	syntax [varlist] [if] [in] [, abbrev(int 16) * ] 
	list `varlist' `if' `in', abbrev(`abbrev') `options' 
end 
You can even allow abbreviations: 
program myl
	version 8 
	mylist `0' 
end 
program myli
	version 8 
	mylist `0' 
end 
program mylis
	version 8 
	mylist `0' 
end 
Nick 
[email protected] 
Daniel Waxman
> Is there any way to change the default for .list so that 
> variable names are
> not abbreviated, or at least lengthened, without having to type
> ',abbrev(16)' every time?
> 
> (currently using Stata 8, but soon to be Stata 9) 
 
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