section_path: Historical theories/Push and Pull
section_name: Push and Pull
paragraph_text: Push and Pull
  
  Demographer Everett S. Lee's model divides factors causing migrations into two groups of factors: push and pull. Push factors are things that are unfavourable about the home area that one lives in, and pull factors are things that attract one to another host area.
  
  Push factors:
  
  Pull factors: