     irfout_accum0 = impulse_responses(matdata["TTT"], matdata["RRR"], matdata["zz"],                                       zeros(size(matdata["zz"], 0)), matdata["mmm"],                                       matdata["impact"], 0; accumulate = true, cum_inds = 0)     irfout_nocum0 = impulse_responses(matdata["TTT"], matdata["RRR"], matdata["zz"],                                       zeros(size(matdata["zz"], 0)), matdata["mmm"],                                       matdata["impact"], 0; accumulate = false, 