buenos air argentina president mauricio macri vow press ahead reform country tax labor retirement systems speech monday week let change coalition sweep victory poll midterm elections government present tax reform proposal tuesday wednesday amnesty plan company hire workers informally come days macri say add government would convene commission propose change retirement system come weeks speech mark roadmap second half macri four-year term seek implement business-friendly reform attract investors avoid country decade populist rule need low tax public work need achieve fiscal balance macri tell gather lawmakers governors union leaders judge others investors encourage reform macri implement since take office december 2015 include lift foreign exchange control settle holdout creditors low export tax significant investment arrive company demand low cost credit agencies concern deep fiscal deficit macri coalition sweep five populous areas midterm elections give broad mandate pass reform though still lack majorities chamber congress macri say government reduce country tax burden want make system simple clear fair reiterate government aim slash argentina fiscal deficit one percentage point gross domestic product per year also vow reform country retirement system large driver government spend need start mature honest conversation retirement pension system macri say retirement system hide serious inequities sustainable macri say plan major change country labor code say government plan provide incentives company formalize undeclared workers work unions specific sectors low cost macri also pledge reform country justice system combat corruption cabinet chief marcos pena tell journalists resignation monday chief prosecutor alejandra gils carbo appoint former administration president cristina fernandez step towards make judiciary independent argentina 's macri vow pursue tax labor pension reform