This paper analyzes the experience, high incidence, lesson learned and reflections on the issue renegotiations in Latin America, based in the evolution of PPP contracts through the last 25 years. The paper also shows how countries via new PPP laws, regulations, norms and specific platforms can...

This paper extends previous work in Escribano and Jorda (1997) and introduces new LM specification procedures to choose between Logistic and Exponential Smooth Transition Regression (STR) Models. These procedures are simpler, consistent and more powerful than those previously available in the...

A new LM specification procedure to choose between Logistic and Exponential Smooth Transition Autoregressive (STAR) models is introduced. This procedure has better consistency and power properties than that previously available in the literature. Monte-Carlo simulations and empirical evidence...