Fitzenberger, Bernd (contributor); … - 2007
University of Bonn
and offers a stimulating research environment through its research networks, research support, and
visitors … environment. Building on van den Berg (1990),
we discuss the implications of nonstationary search theory on the empirical analysis … constant coe–cients is insu–cient in such a nonstationary environment, see van
den Berg (1990, section 5.1) and Mo–tt (1985 …