The authorsanalyze the best available economic data and conclude that American consumers--particularly the less affluent--have benefited tremendously from Wal-Mart's "everyday low prices."

The results of this study for the 50 states imply that considerations of distance play an important role in the migration decision of blacks, with the distance variable being statistically significant at the five percent level or better in 80 percent of the cases. The racial composition variable...