There exists a problem of severe market distortion
with simultaneous excess demand and oversupply.
This distortion is brought about by government created artificial demand.

Discussion

"English: bridge or barrier?
The political economy of the English language in East Asia" (pdf 136 K)
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1. Measuring the rate of attrition (retention)
   
   
2. Measuring relative rates of return
   
   
   • Social efficiency
   • Excess demand
   • Accurate assessment
   • Nature of the market
   • Return on investment
     
     
3. Comparing perceived need with actual use
   
   
   • Exploiting differences in worker and employer perspectives
   • The general public
     
     
     • Frequency and use
     • Demand begets supply. Supply reinforces demand.
     • Attitudes toward the foreign presence
       
       
   • Tourists, overseas investors, and sales people
     
     
     • Transient presence
     • Semi-permanent presence
     • Permanent presence