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  • Regression Discontinuity Coefficients Plot

    Dear All,
    I would like to plot the estimated coefficients from several regressions discontinuity (RD).
    By coding, for instance,
    Code:
    eststo A: rdrobust y1 x1, c(0)
    eststo B: rdrobust y2 x2, c(0)
    if I use the coefplot routine I automatically get the plot of e(tau_bc), which constitute the stored bias-corrected local-polynomial RD estimates and my coefficients of interest.
    So far so good… My problem is that each RD is run on a different point in time (i.e, year) with respect to a specific moment, acting as a reference time-point.
    If I have four RDs, stored as A, B C and E, then there must be a fifth null estimate stored as D (my reference point).
    I tried to add a scalar=0 in correspondence to eststo D, but when I rely on coefplot, the D parameter gets the value of the last non-null stored estimate (i.e., the “E”). Down below a simplified version of the code line.

    Code:
    coefplot (A) (B) (C) (D) (E), yline(0) vertical recast(connected)
    Am I on the correct track? Any more suitable alternatives?

    Minor point: the recast(connected) option does not connect the point estimates. Any hint also on this?

    Thanks for considering my request
    Pasquale
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