https://en.wikipedia.org/wiki/David_LangeHad to deal with the consequences of Robert Muldoon's disastrous misrule. Led one of the most radically neoliberal governments in the country's history (in fact one of the most radical democratic governments of the 20th century in terms of how much policy was changed) because of his very autonomous finance minister, pushed through nuclear-free legislation leading to friction with the U.S.
https://en.wikipedia.org/wiki/Fourth_Labour_Government_of_New_Zealand#Economic