Is there a R package available that facilitates estimation of Buchinsky's two step procedure in order to correct for sample selection in a quantile regression setting? Thanks in advance for any help. Reference: Moshe Bushinsky (2001) Quantile regression with sample selection: estimating women's return to education in the US, Empirical Economics, 26, 87-113 . Geraint Johnes Professor of Economics Lancaster University Management School Lancaster LA1 4YX United Kingdom Tel: +44 1524 594215 Mob: +44 7753 826342 Fax: +44 1524 594244 Skype: geraintjohnes WWW: http://www.lancs.ac.uk/people/ecagj/ [[alternative HTML version deleted]]