SUBJECT:  Huber correction for two-stage least squares estimates
AUTHORS:  Mead Over, The World Bank, aover@worldbank.org
          Dean Jolliffe, The World Bank, djolliffe@worldbank.org
          Andrew Foster, University of Pennsylvania, afoster@pop.upenn.edu

COMMENTS:
Use standard in1 installation instructions. From inside Stata,
on-line help is available.  Type 'help hreg2sls'.