In addition, when the middle class is in decline and median household incomes are dropping, there are fewer possibilities for upward mobility. A stressed middle class is also less willing to share the ladder of opportunity with those below it. For this reason, the issue of widening inequality cannot be separated from the problems of poverty and diminishing opportunities for those near the bottom. They are one and the same.
Democracy -- The connection between widening inequality and the undermining of democracy has long been understood. As former Supreme Court Justice Louis Brandeis is famously alleged to have said in the early years of the last century, an era when robber barons dumped sacks of money on legislators' desks, "We may have a democracy, or we may have great wealth concentrated in the hands of a few, but we cannot have both."
As income and wealth flow upward, political power follows. Money flowing to political campaigns, lobbyists, think tanks, "expert" witnesses and media campaigns buys disproportionate influence. With all that money, no legislative bulwark can be high enough or strong enough to protect the democratic process.
The threat to our democracy also comes from the polarization that accompanies high levels of inequality. Partisanship -- measured by some political scientists as the distance between median Republican and Democratic roll-call votes on key economic issues -- almost directly tracks with the level of inequality. It reached high levels in the first decades of the twentieth century when inequality soared, and has reached similar levels in recent years.
When large numbers of Americans are working harder than ever but getting nowhere, and see most of the economic gains going to a small group at the top, they suspect the game is rigged. Some of these people can be persuaded that the culprit is big government; others, that the blame falls on the wealthy and big corporations. The result is fierce partisanship, fueled by anti-establishment populism on both the right and the left of the political spectrum.
Why It Has Happened
Between the end of World War II and the early 1970s, the median wage grew in tandem with productivity. Both roughly doubled in those years, adjusted for inflation. But after the 1970s, productivity continued to rise at roughly the same pace as before, while wages began to flatten. In part, this was due to the twin forces of globalization and labor-replacing technologies that began to hit the American workforce like strong winds -- accelerating into massive storms in the 1980s and '90s, and hurricanes since then.
Containers, satellite communication technologies, and cargo ships and planes radically reduced the cost of producing goods anywhere around the globe, thereby eliminating many manufacturing jobs or putting downward pressure on other wages. Automation, followed by computers, software, robotics, computer-controlled machine tools and widespread digitization, further eroded jobs and wages. These forces simultaneously undermined organized labor. Unionized companies faced increasing competitive pressures to outsource, automate or move to nonunion states.
These forces didn't erode all incomes, however. In fact, they added to the value of complex work done by those who were well educated, well connected and fortunate enough to have chosen the right professions. Those lucky few who were perceived to be the most valuable saw their pay skyrocket.
But that's only part of the story. Instead of responding to these gale-force winds with policies designed to upgrade the skills of Americans, modernize our infrastructure, strengthen our safety net and adapt the workforce -- and pay for much of this with higher taxes on the wealthy -- we did the reverse. We began disinvesting in education, job training and infrastructure. We began shredding our safety net. We made it harder for many Americans to join unions. (The decline in unionization directly correlates with the decline of the portion of income going to the middle class.) And we reduced taxes on the wealthy.
We also deregulated. Financial deregulation in particular made finance the most lucrative industry in America, as it had been in the 1920s. Here again, the parallels between the 1920s and recent years are striking, reflecting the same pattern of inequality.
Other advanced economies have faced the same gale-force winds but have not suffered the same inequalities as we have because they have helped their workforces adapt to the new economic realities -- leaving the United States the most unequal of all advanced nations by far.
What We Must Do
There is no single solution for reversing widening inequality. Thomas Piketty's monumental book "Capital in the Twenty-First Century" paints a troubling picture of societies dominated by a comparative few, whose cumulative wealth and unearned income overshadow the majority who rely on jobs and earned income. But our future is not set in stone, and Piketty's description of past and current trends need not determine our path in the future. Here are 10 initiatives that could reverse the trends described above:
1) Make work pay. The fastest-growing categories of work are retail, restaurant (including fast food), hospital (especially orderlies and staff), hotel, childcare and eldercare. But these jobs tend to pay very little. A first step toward making work pay is to raise the federal minimum wage to $15 an hour, pegging it to inflation; abolish the tipped minimum wage; and expand the Earned Income Tax Credit. No American who works full time should be in poverty.
2) Unionize low-wage workers. The rise and fall of the American middle class correlates almost exactly with the rise and fall of private-sector unions, because unions gave the middle class the bargaining power it needed to secure a fair share of the gains from economic growth. We need to reinvigorate unions, beginning with low-wage service occupations that are sheltered from global competition and from labor-replacing technologies. Lower-wage Americans deserve more bargaining power.
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