Even in hard times people don't stop buying. They may re-evaluate how they spend and they may look for alternate ways to conserve but they don't stop shopping. Most consumers instead come to the conclusion that they need to shop smarter and the warehouse outlets like Costco offer an opportunity for most folks to feel like they are shopping smarter. Couple this with falling gas prices and we get a little breathing room, which usually stimulates a favorable perception, which then leads to more buying.