Chapter 8 transforming structures: markets, politics and policy. 1 curitiba, brazil- in 1973, mayor jamie lerner paid people for their garbage. She also gave tokens in exchange for food, in order to clean up the slums (known as favelas) 2 southern mexico zapatista national liberation (rebels) vs the government. The rain forest rebels" wanted to save what remained of the rain forest in southern mexico. They declared war in 1994, while the government had just signed the north american free trade agreement (nafta). Humans have needs and those needs are provided by the earth"s resources investors, producers, sellers and buyers are all a part of the economic market. Ex of a market : old times & less developed countries are prime ex of small markets; the competition is right next door and clearly visible, easy to compare product quickly, prices can be haggled.