1. What is meant by skills based bias technological explanation of increasing inequality
2. There has been increasing inequality over the last 40 years because unskilled workers use no technology
3. There has been increasing inequality over the last 40 years among high skilled workers
4. Inequality has increased because technological advances have not kept pace with demand for education
5. Inequality has increased because technological advances over the last 40 years have complemented the productivity of skilled labor relative to unskilled labor
6. Inequality has increased because technological advances over the last 40 years have complemented the productivity of unskilled labor relative to foreign labor.