The signs in the window of Jay Kos, an upscale men's wear boutique on Park Avenue in Manhattan, seemed at best cheeky, at worst clueless. Surrounded by glaring economic-crisis headlines cut out of newspapers, they said, "Cashmere sweater: $2,500. Recession price: $2,500." "Lamb's fleece jacket: $11,000. Recession price: $11,000."