The study of intersectoral resource allocation and productivity changes in response to the economic environment is pertinent for any topic related to the supply side of the economy. The welfare flow of such agreements is determined by the direction as well as by the speed of adjustments in resources and productivity. The most important lesson learned from the Chilean experience is that economic policies should be sustainable and persistent. Myopic policies, whether carried out for reasons of political opportunism, ideology, or ignorance, are very costly in terms of growth, and because they are not sustainable they are also costly in terms of the adjustments that are needed to reverse their negative effects. Understanding the motives for wrong policies is a lesson in social behavior but is not a remedy for the social cost.
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