The price tags down there are vastly inflated but so is the prize money at stake these days. If you are Swansea chairman and come January you are staring relegation in the face. You need goals, Calum Wilson gets signed from Bournemouth at 40 mill. Scores 12 goals and keeps them up. Is he worth 40 mill? Absolutely, even double that.
Would he be worth 40 million to Hamburg in the same scenario? Absolutely not.