Defining the "Missing Middle"

J. Skyler Fernandes and Lena Sene write in Huffington Post:

According to the 2009 Milken Institute report "Stimulating Investment in Emerging-Market SMEs," they account for 57 percent of employment and over 50 percent of GDP in developed countries. But in the developing countries, they contribute only 18 percent of employment and 16 percent of GDP. The report concludes that "if barriers to their growth were removed, SMEs would contribute more to economic development by providing jobs and income, expanding the middle class, broadening the tax base and ultimately decreasing poverty levels."...[continue reading]