Gibbons, Steve; Overman, Henry G.; Patacchini, Eleonora - In: Handbook of regional and urban economics : volume 5, (pp. 115-168). 2015
way of characterizing these interactions, but complicates both interpretation and estimation of parameters of interest …. The estimation of these models leads to three fundamental challenges: the “reflection problem,” the presence of omitted … or spatial differencing—used to address these problems in reduced form estimation. These general lessons carry over to …
