This article develops a framework to evaluate net benefits from mining and utilizes it to assess the Marlin mine in Guatemala. The framework integrates “weak” and “strong” sustainability principles. Under weak sustainability, a net gain in human welfare can substitute for the loss of nonrenewable resources. Under strong sustainability, nature’s life-support systems are not substitutable. We define “net benefits” as the joint generation of net gains to human welfare, defined as local acceptance and high economic benefits, and low risks to the resilience of environmental life-support systems, especially water, evidenced by best practice management standards. We find little evidence that the Marlin mine meets either weak or strong sustainability criteria: there is strong local resistance to the mine and economic benefits are low, while environmental risk is high, especially in terms of potential long-term contamination of life-supporting ground and surface water.
Fifty years ago, the role of foreign investors was at the center of the political debate, with host state - investors disputes showing a geographical North-Southth pattern. The end of the ISI model would signal a new era, including a new relationship with foreign investors. As part of their efforts, developing and emerging countries (DECs) liberalize foreign direct investment (FDI) national policies and to provide fiscal and other incentives to foreign investors. FDI flows were seen as always beneficial: a quantitative approach. Sooner than later, however, policy-makers became aware of the scheme’s pro-investment bias. FDI quality, not quantity, became the new ideal. Latin American countries’ position in the issue, however, remains quantitative objectives still dominate the investment debate. Indeed, a movement towards sustainability would come to question the natural-resource led growth model followed by the region. So, the debate around the treatment of foreign investors remains open.
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