Tag Archives: economics

Illustrating the Gender Pay Gap

While income inequality between the sexes has decreased in recent decades, women still only make seventy-seven cents for every dollar a man is paid. Matt Separa from the Center for American Progress illustrated what could be bought with those lost wages to help us conceptualize how wide the wage gap is.

His first chart shows how the $10,784 in underpaid wages would almost cover annual housing costs or could pay the combined costs of a year’s worth of utilities, food, transportation, and internet access with a few hundred dollars to spare. The lost wages could also almost pay all the expenses for annual in-state tuition at a public university, twelve months of contributions to Social Security, and basic medical care for a year:

His second chart illustrates how across a lifetime, the lost wages ($431,360) could buy two houses, seven degrees from public universities, fourteen cars, or pay for a family of four to eat for thirty-seven years.   Many of Spera’s examples, including real estate, tuition and retirement savings, are especially powerful because they show how the lost wages could be turned into capital and wealth that would pay even more dividends on top of the lost income:

Overall, the graphs do a nice job of making the implications of the gender wage gap concrete.


Jason Eastman is an Assistant Professor of Sociology at Coastal Carolina University who researches how culture and identity influence social inequalities.

Student Loan Debt Now Exceeds 100 Billion. Why?

You’ve probably heard someone in media or politics bemoan the ballooning student debt in the U.S.  In fact, debt has been rising.  It’s more than doubled in the last ten years (that’s a more than 100% increase):
This debt, though, can’t be attributed primarily to the rising cost of education, as Planet Money explains.  The average debt load for a student graduating from a public school, for example, has risen by 20%:
The average debt load for a student coming out of a private school has gone up a bit more, but still not enough to account for the leap in overall student debt.
The increase in debt, it turns out, is largely accounted for by an increase in the number of people going to college.  In 1970, 8,500 8,500,000 people enrolled in college in the Fall; in 2009, that number exceeded 20,000 20,000,000 (source).  A more than 100% increase.

So, the story isn’t quite as dire as we might think.  This may be little consolation, though, for my students who walked across the stage yesterday.  Congrats, Seniors! :)

Lisa Wade is a professor of sociology at Occidental College and the co-author of Gender: Ideas, Interactions, Institutions. You can follow her on Twitter and Facebook.

Fastest Growing and Declining Occupations, 1983-2002

The National Bureau of Economic Research recently released a paper by  Emin Dinlersoz and Jeremy Greenwood about unionization in the U.S.. They argue that economic shifts that changed the relative prevalence of different types of occupations partially explain decreasing union membership.

So what occupations are growing, and which are declining? Jordan Weissmann, at The Atlantic, adapted two graphs from the NBER paper that illustrate larger economic changes. Of the twenty fastest-declining occupations (in terms of % decrease), many are factory or industrial production jobs — machine operators of various types fare especially poorly (also, sorry, fellow sociologists):

The color of the graph indicates the level of unionization for each occupation; blue = less than 20%, green = 20-40%, red = over 40%. Nine of these occupations were over 40% unionized; their decline means the loss of many decently-paid jobs that provided benefits to employees without high levels of formal education.

So which occupations are growing, then? Take a look (though note this reflect % change, not overall # of employees):

Notice that top category: numerical control machine operators. Those words reflect a profound shift in manufacturing in the U.S. Numerical control machine operators program and operate computerized machinery, which requires a very different type of human operation than the classic assembly line machinery did — less input of physical labor and more technical management and troubleshooting.

Many of the other fastest-growing occupations require specialized, and often lengthy, higher education or licensing: health-diagnosing practitioners, teachers, scientists, physical therapists, and dentists, for instance. And unionization is consistently low in these types of occupations, contributing to overall declines in the prominence of unions in the U.S. over time.

Changes in Federal Spending

NPR’s Planet Money blog posted this image showing changes in major categories of federal spending over the past 50 years. Notably, though defense spending (which includes veteran benefits) is still the largest category of federal spending, it’s a much smaller proportion of the total budget than it was in the ’60s; spending on interest on our debt has also fallen quite a bit since the ’80s. On the other hand, spending on Social Security, Medicare and Medicaid (which didn’t even exist in 1962), and safety net programs (including food stamps and unemployment) have grown. The somewhat reduced “everything else” category includes everything from education to space exploration to agriculture and more:

Via The Sociological Cinema; data available at the Office of Management and Budget.

The Network Effect

Network effect is a concept from economics that explains situations in which something becomes more valuable as more people use it. The classic example is the telephone; as more people and businesses adopted telephones, they became more useful (you could call a larger number of people you might wish to contact). More usage increased the value of the product, both for existing users and potential users. Social media work much the same way — an issue Google has faced as they try to pull enough users into Google+ to make it competitive with Facebook.

Over the weekend Matthew Hurst posted a video at Data Mining that illustrates the network effect…with dancers using an open area at the Sasquatch music festival. The video starts out a little slow; one guy starts dancing in the field, and a second guy joins him. For about a minute, it’s just the two of them. At 0:54, a third dancer appears. Through all of this, the surrounding crowd mostly ignores them, showing no inclination to participate. But at 1:12, a couple more people arrive, following immediately by more, and suddenly we’ve reached a tipping point: that open area is now a highly desirable spot to dance. People start running in from all directions, and many who had been ignoring the dancers suddenly jump up and join. It’s a great illustration of instances in which use drives more and more use:

A Case Against the Penny

CGP Gray is in rare form in this 4 1/2 minute argument in favor of phasing out the penny. He argues, entertainingly, that:

…they cost more to make than they’re worth, they waste peoples’ time, they don’t work as money, and because of inflation they’re less valuable every year making all the other problems worse.

See what you think:

Also from CGP Gray:

Lisa Wade is a professor of sociology at Occidental College and the co-author of Gender: Ideas, Interactions, Institutions. You can follow her on Twitter and Facebook.

The Unevenness of McDonald’s Market Dominance

A couple of years ago, Lisa posted about the ubiquity of McDonald’s in the U.S., highlighting a map that showed the distance from the nearest McDonald’s. As a follow-up to that, Data Pointed posted a map that illustrates the unevenness of its market dominance across the country. If we plot the markets dominated by the top 8 hamburger-based chains (in terms of sales), we see that though McDonald’s is the single largest burger chain in most of the U.S. (all the black territory), other chains outsell McDonald’s in many markets, with the Sonic-dominated Southern Plains the most obvious:

In fact, there are relatively few places where McDonald’s has an outright majority of the market share; in most areas, the combined sales of its 7 largest competitors are more than McDonald’s:

This illustrates the importance of the ubiquity shown in the map Lisa originally posted. McDonald’s might like to truly dominate every market; it ideally would probably like to have a monopoly on them. But it doesn’t have to in order to successful and to exert incredible market power. It doesn’t need to control every individual market in order to exert enormous influence on the fast food industry, from setting the standard for labor practices to influencing which varieties of potatoes farmers grow for the french fry market. The “be everywhere” model allows it to win the larger burger chain war, even if it loses some regional market battles.

Holes in the Social Fabric

The foreclosure crisis that emerged in 2006 continues to displace families and change neighborhoods, creating holes in the social fabric of communities. Kathryn Clark, artist and former urban planner, has created a series of “foreclosure quilts” based on maps of urban areas, with holes representing foreclosed houses.  These unique visual representations call our attention to the holes that remain after foreclosure:

Modesto Foreclosure Quilt, 2011. 16″ x 42″ Tea stained voile, linen, cotton and embroidery thread.

Clark writes on her blog:

The quilt is pieced together using patterns of neighborhood blocks taken from RealtyTrac maps.  Within these, foreclosed lots are shown as holes in the quilts.  The lot locations are completely random and they yield an unexpected beauty when laid out on fabric. These torn holes question the protective nature of a quilt. The situation is so dire that even a quilt can’t provide the security one needs.

Albuquerque Foreclosure Quilt, 2011. 35″ x 47″ Linen, wool, yarn and embroidery thread.

Cleveland Foreclosure Quilt, 2011. 25″ x 60″ Cotton, linen, recycled denim and embroidery thread.

Clark’s artistic rendering of these maps points to the size and spread of the foreclosure problem, but also evokes the conflicting experience of home and the reality of the housing market.  Homes, like quilts, promise warmth, comfort and continuity, a connection to family and a sense of protection.  The holes in the quilts powerfully evoke the false promise of security offered by home ownership in the contemporary U.S.

Public policy and real estate market professionals have actively worked to construct home as an owner-occupied, single family house (as opposed to rental, communal space, or other residential option).  The preference for ownership has become so strong that many forgo other forms of investment for a mortgage on a house, and those who rent are told that they are “throwing their money away.”  This normative belief that home ownership is the most desirable option for adults provided justification for consumers to risk their savings, even when offered poor subprime loans, because ownership is symbolically important.

The foreclosure quilts call our attention to the holes that have been produced by the collapse of the housing market.  The focus on neighborhoods and blocks rather than individual houses and families encourages us to think about the impact on communities as well as individuals.  These quilts offer little comfort, and hopefully provoke questions about the sustainability of our singular focus on home ownership.

For more images of Clark’s quilts, check out her blog and website or an article on her work at The Atlantic Cities page.


Karen McCormack is an assistant professor of sociology at Wheaton College in Norton, Massachusetts.  She is currently studying the strategies that people employ to manage the risk of losing their homes to foreclosure.