Declining worker power and American economic performance
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Declining worker power, not monopoly power, has reduced labor share in the US since the 1980s, with a 5% decline in worker profits as a share of value added from 1987-2016.
"...Rising profitability and market valuations of US businesses, sluggish wage growth, and reduced unemployment and inflation, have defined the macroeconomic environment of the last generation - especially the period of recovery from the financial crisis. This paper offers a unified explanation for these phenomena based on reduced worker power, and argues that the declining worker power exploration is both most compelling on scientific grounds and is most usefully prescriptive for policy. In particular we present a variety of evidence that declining worker power explains more than increases in monopoly or monopsony power....Three broad shifts are behind this decline in worker power. First, institutional changes, as the policy environment has become less supportive of worker power by reducing the incidence of unionism and the credibility of unionism or other organized labor threats, and as the real value of the minimum wage has fallen. Second, changes within firms, as the increase in shareholder power and shareholder activism has led to pressures on companies to cut labor costs, resulting in wage reductions within firms and the “fissuring” of the workplace as companies increasingly outsource and subcontract labor (Weil 2014). And third, changes in economic conditions, as increased competition for labor from technology or from low-wage countries has reduced workers’ relative bargaining power...In this paper, we argue that a decline in worker power...by worker power we mean workers' ability to increase their pay above the level that would prevail in the absence of such bargaining power..... not a rise in monopoly or monopsony power, nor technological developments, has been the major structural change responsible for these phenomena.....Finally, we note two broad implications of our arguments. One of the puzzles highlighted by a number of observers is that technological change and globalization are ubiquitous but the extent of increases in inequality - both between capital and labor incomes, and within labor incomes - differ substantially across countries. Our hypothesis which emphasizes the relative power of labor and capital fits this fact, given far more empowered shareholders and weaker unions in the U.S. than in the rest of the industrial world. Further study of the cross-country trends in labor shares, profitability and valuation, the NAIRU, and worker power would be valuable...."

Anna Stansbury and Lawrence H. Summers, "Declining worker power and American economic performance," National Bureau Of Economic Research, May 2020, https://www.nber.org/papers/w27193
Just an FYI, NBER just published research Summers/Stansbury presented @ BPEA (which we looked at when it was released). Paper implies that the increase in wage inequality/wage stagnation is a function of an erosion of worker power not monoploy power. They use "worker power" to mean the majority of a firms workers (excluding executives) ability to increase their pay above the level that would prevail in the absence of such bargaining power They found the profits going to workers haven fallen since the 1980s, by ~ 5 percentage points of value added in the nonfinancial corporate sector over 1987-2016 (Figure 8) which explain the entire overall decline of labor share. Overall the majority of the decline in aggregate labor share was driven by manufacturing, wholesale trade, transportation, and utilities the same industries with big falls in worker power
























Ed Comment:Ok to file 9with these comments) but I’ll have to take a closer look. Seems like it would be hard to attribute changes to one thing or another. I’ll have to see how they do it. I believe that if you flood the market with cheaper labor, whether through automation (substitute), low-skilled immigration, offshoring and high unemployment/low participation, labor’s bargaining power will go down. Whose to blame for that?! When they say labor can no longer organize and earn monopoly rents, that merely means they used to earn undeserved monopoly rents through unionization and now they can’t. Who paid for high auto union wages—consumers through higher car prices and consumers and investors through lower volume. I don’t see why it would lower ROI (until lower-cost offshore alternative become available and pensions bankrupt them). Notwithstanding that, their logic still seems specious. They argue: Overall the majority of the decline in aggregate labor share was driven by manufacturing, wholesale trade, transportation, and utilities the same industries with big falls in worker power. But those aren’t the industries with: "...Rising profitability and market valuations. I don’t see how you can link the two if they don’t link at the industry level.