Adopting a legal definition of informality, this paper studies the causes of informality in general and with a particular application to Mexico. It starts with a discussion on the definition and measures of informality. It then argues and provides evidence that informality is not only a...

This paper addresses the timing of optimal investment in LPG pipelines when the goal is to maximize consumer surplus less private cost and social of transporting LPG. The loss of consumer surplus is small. The important elements are the private cost of transporting LPG and the congestion created...

The Comisión Reguladora de Energía of Mexico has implemented a netback rule for linking the Mexican natural gas price to the Texas natural gas price. This paper shows that in an open economy where agents can chose between gas and alternative fuels, and where the density function describing the...