Case study in Washington D.C. created a 5 cent tax and didn't offer plastic bags, forcing consumers to ask for one, making them feel guilty in front of everyone-- it created a very clear numeric change in the amount of bags given out and the number found in the Anacostia river.
WALL STREET JOURNAL ARTICLE
aria, I think that this article is important because it illustrates the power of psychology in changing consumer behaviors. This is another article in today's Times that I will post now, take a look. It's about redesigning cafeteria serving area layouts to influence student's eating habits.
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