Dafny, Leemore S. (contributor) - 2003 - [Elektronische Ressource]
market attractiveness, precisely the factor the potential entrant indicators are
meant to capture. X
h
is a vector of … indicator variable for entry in an incumbent’s HSA in year t (with this
exception, all the variables in X
h
and Z
m
are … in
place of Z
m
and X
h
in column 3. (Hospital fixed effects obviate the need for market fixed
effects, as the latter …