Perhaps adding to the bleak economic outlook, some economists are suggesting that future jobs will fall into two categories: high-paying or low-paying with few jobs in the middle.

This would have implications for the size of different classes within the United States. To have a high-paying job, employees will generally need higher-education or specialized degrees. Having a service job means struggling to make ends meet. In this scenario, what kinds of industries or sectors might provide more middle-class jobs?