ar dln_inv dln_inc dln_consump
        . irf set results4
        . irf create ordera, step(8)
Create table of orthogonalized impulse-response functions and Cholesky
    FEVDs for models ordera and orderb using dln_inc as the impulse variable
    and dln_consump as the response variable
        . irf table oirf fevd, impulse(dln_inc) response(dln_consump)
    Same as above, but do not show CIs and do show standard errors
        . irf table oirf fevd, impulse(dln_inc) response(dln_consump) noci
            stderror