A nonlinear approach to public finance sustainability in Latin America

The debt crisis in Latin America is associated with the large fiscal imbalances of the 1980s; therefore public finance sustainability occupies the center of stabilization efforts in these economies. The literature examining this question in emerging economies is surprisingly scant and this paper aims at filling this gap. We analyze sustainability for a sample of Latin American countries, employing unit root tests that incorporate nonlinear alternative hypotheses. These tests capture the thresholds or corridor regimes that international agreements or markets impose on emerging economies' public finances. We show that support for sustainability substantially improves when such nonlinearities are taken into account.