Obtains the lower bound on the Distribution of the Treatment Effect for the Treated (DoTT), DoTT(delt) under the Copula Stability Assumption.
l(delt, y.seq, ytmin1.seq, Y1t, Y0tmin1, Y0tmin2, Y0tqteobj, F.y1, F.y0)
the value to obtain the DoTT for
possible values of y
vector of outcomes for the treated group in period t
vector of outcomes for the treated group in period t-1
vector of outcomes for the treated group in period t-2
optional bandwidth
scalar F^L(delt)