The PRI has been making this particular currency play for a while, then. Furthermore, Mexico is the classic case of the failure of supply- side economics. Their trade imbalance is due largely to the fact of a limit in aggregate demand imposed by artificially low wages, and profiteering. Mexico needs what the US needed in the early part of this century - union action to wrest control of economic power from the irresponsible elite. Higher wages cannot help but translate into economic lifeblood.
Empowered workers have a stake in the success of their firms.
Mexican neo-feudalism is a leech that is making capitalism sick.