Julio Rotemberg Libri

This report presents the results of a research project on the benefits of narrow business strategies, such as focusing on a single product or market segment. The authors use case studies, surveys, and other methods to analyze the success factors and risks associated with narrow strategies. The report is aimed at business leaders and entrepreneurs looking to optimize their company's strategy.

Provides an in-depth look at the challenges of instrument variable estimation in the face of model misspecification, and offers possible solutions. This work will be of interest to anyone studying econometric modeling and its practical applications.