If trade is threatened, if trade is damaged, growth will suffer.

如果贸易受到威胁和破坏，经济发展就会受影响。

So given that data, why does the misperception that tackling income inequality will damage economic growth persist?

那么，既然有了这些数据，为什么解决收入不平等会损害经济增长的误解依然存在？