C H A P T E R 9. E V A L U A T IO N O F G O V E R N M E N T IN F L U E N C E O N M A R K E T A N D C O M P E T IT IV E M A R K E T E F F IC IE N C Y ................................................................................................................ .. 106 9.1. Consum er and producer surplu s..................................................................................................................................... 106 9.2. U tilization o f consum er and producer surplus......................................................................................................... .. 107 9 .3 . Long-run and short-run im pact o f ta x ......................................................................................................................... .. 113 9 .4. C om petitive market e ffic ie n c y ..................................................................................................................................... .. 114 Sum m ary...................................................................................................................................................................................... .. 116 Q uestions for R e v ie w ..................................................................................................................................................................116 Basic Literature............................................................................................................................................................................ 116