As an old Chinese proverb says, "visiting monks give better sermons." European soccer clubs also believe this, and have always been seeking for foreign players to boost competitiveness. However, due to the reason of protectionism, there were restrictions that each club was only allowed to field...

A number of studies have been conducted trying to describe and estimate the regional economic effects of sports clubs, especially of soccer clubs. Most of these studies focus on demand-side effects because regional multiplier analysis seems to offer a powerful tool for this kind of estimations....