On the other hand, the decrease of labor forces and structural shortage are the two main reasons why Japanese government actively introduces foreign labor forces.

另一方面，对于日本来说，劳动力总量减少和结构短缺是积极引进外国劳动力的主要原因。

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The difficulty in employment for college graduates and the shortage of migrant workers reflects the structural imbalance on labor supply and demand.

大学生就业难与民工荒的并行出现，显示了劳动力供给与需求的结构性失衡；

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If we get to the point were the Fed is inducing or more clearly facilitating a structural transition then we will know because the shortage of skilled labor will outweigh the excess of unskilled labor and overall wages will rise.

FORBES: Stiglitz on Inequality and Monetary Policy