转会的经济学

1、转会没有想象的那么有效，根据1978到1997的数据，转会只解释了16%的成绩变化；而工资则解释了92%的成绩变动
The more you pay your players, the higher you finish
转会市场相对于工资市场来说则不那么高效。
It may be better to raise the pay of your leading players than to risk losing a couple ot them and have to go out and buy replacements
加薪留人比买人更稳妥。