Bolivia has taken an aggressive turn away from neoliberalism and economic orthodoxy over the last several years. The results are discussed in this article.
These changes didn't happen over night. Bolivia had been under the thumb of free market madness for years prior. The World Bank had managed to compel them to pursue a large privatization scheme, including water services which were auctioned off to Bechtel. The results were catastrophic, but the poor didn't take it lying down. They protested and resisted. What happened is partly covered in this brief video.