Brazil's trade liberalization between 1990 and 1993, and its partial reversal in 1995, are used to study how reduced inward trade barriers affect productivity. The production function of Brazilian manufacturers is estimated at the ISIC3 two-digit level under various alternatives, including an...

Production function estimation with micro-data shows that a persistent unobserved variable varies within firm or plant over time but resists treatment and may cause biases. This paper presents an estimation model of the firm under endogenous productivity change. The model implies that (i) the...