というNBER論文をサマーズらが上げている。原題は「Productivity and Pay in the US and Canada」で、著者はJacob Greenspon(ハーバード大)、Anna M. Stansbury(MIT)、Lawrence H. Summers(ハーバード大)。 以下はその要旨。 We study the productivity-pay relationship in the United States and Canada along two dimensions. The first is divergence: the degree to which the levels of productivity and pay have diverged. The second is delinkage: the degree to which incre