Incorrect PIN http://airgallery.org/buy-metronidazole-tablets-200mg.pdf waver buy metronidazole cream canada robes Yet herd behavior also prevails in the markets for goods and services, too.  Mr Krueger and our column cited an experiment in 2008 that doctored the rankings of pop songs offered for download. When the rankings were manipulated to make the least popular appear as the most popular, subsequent downloads shot up. Could the same behavior influence labour market outcomes? That’s what Kory Kroft of the University of Toronto, Fabian Lange of McGill University and Matthew Notowidigdo of the University of Chicago set out to determine with an experiment