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Singapore Income Inequality – a bigger picture?

Thursday, February 24, 2011

 
Over the past 10 years, the Gini coefficient reveals that income inequality has been increasing. The exact figures around 0.47 are perhaps less important than trends. One challenge with the Gini coefficient is that the top income earners (say top 1%) can skew the numbers. When my neighbour buys a Lexus, I am worse off. Apart from the effects of inequality on health* I was interested in looking at trends elsewhere. 
The US is a natural port of call, since some are seriously rich and there is plenty of data.
From 1970 to 2008, it is getting more unequal. There is plenty of discussion on the top 0.1% getting richer, so that is part of the explanation. The Gini coefficient is also in the 45 range. Median income is interesting. The two charts below are from the CBO: Changes in the distribution of workers’ hourly wages between 1979 and 2009.

Among working men, the median wage in 2009 was about $37,000 annually. Toward the upper end of the distribution, the 90th percentile wage was $86,000 annually. Even for “blue collar”, the top 90% are earning more.

In terms of wages by educational bands, there is a clear widening of the gap between Bachelor degree holders and high school diploma. The CBO report provides some reasons for this divergence, namely:  

  • Changes in the demand for and supply of workers with different levels of skill.
  • From the 1980s, people entering the workforce did not have significantly more education than those retiring and leaving the workforce.

Something I am particularly interested is the impact of foreign born labour, especially graduates. According to the CBO, many foreign-born workers have high levels of educational attainment: 31 percent hold at least a bachelor’s degree, just a little below the 35 percent of native-born workers who hold at least a bachelor’s degree. Having a greater number of highly educated workers has offset some of the upward pressure on wages in the upper part of the wage distribution.

The last statement from the CBO report is intriguing. What it is saying is that the foreign born workers prevent the difference between high school diploma and the graduates from increasing. This has the impact of reducing inequality. Conversely, the wages of graduates would have risen more if this modulation was absent.

If such dynamic applied to Singapore, the effect of foreigners who are graduates may well have the same effect, in modulating wage increase for the local graduates. This means that the “middle band” of society remains less unequal because graduates lack pricing power – graduates being held down. At the top end, the top 10% are getting relatively richer which probably accounts for the overall inequality increasing.

The winner is still the business sector. More on that another time.  
 

* Dorling et al (2009) The global impact of income inequality on health by age: an observational study http://www.bmj.com/content/338/bmj.b829.full 

Posted by Chieh Schen Teng at 5:33 PM 0 comments

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2 Responses to “Singapore Income Inequality – a bigger picture?”

  1. ufo says:

    Just some years ago, the know-it-all gahmen would force people to go for abortion or fine poor couple for giving birth to a third child. Now, they do not fine those rich for buying 2nd or 3rd cars or force them to give up those cars. If you think they will go to heaven, I will wonder who will go to hell.

  2. Sal says:

    The rich getting richer whereas the poor getting poorer..the basic necessity things in Spore should be affordable for the common citizen eg flats, public transport and daily food ( groceries). If everyday you are struggling to have these basic needs to survive, what do you think of your future and next generation>

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