This paper explores firms' export dynamics in emerging economies where local firms face stiff foreign competition, both at home and abroad, and thus compelled to choose the level of quality in which to export. We develop and test a model of vertical product differentiation where the link between...

We offer a new methodology for the assessment of public debt sustainability in a stochastic economy when sovereign default taken into account. The default threshold differs from the no-Ponzi condition and depends on the post-default debt recovery rule. We distinguish sustainability and...

We quantify the impact of barriers to international investment, using a novel multi-country dynamic general equilibrium model with heterogeneous investors and imperfect capital mobility. Our model yields a gravity equation for bilateral foreign asset positions. We estimate this gravity equation...