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Microeconomics
   Lecture 8

Economic Surplus
Deadweight Loss
Economic Surplus

   Consumer

   Producer
Market Demand for Pizza

             Highest Price
Consumer
             Willing to Pay
  Austin          $10
 Brittany          $9
   Carl            $8
 Duane             $7
    Ed             $6
101 lecture 8
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00                                                     Price
 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00                                                     Price
 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
Market Demand for Pizza
            Highest Price            Consumer
Consumer                     Price
            Willing to Pay            Surplus
  Austin         $10         $5         $5
 Brittany         $9         $5         $4
   Carl           $8         $5         $3
 Duane            $7         $5         $2
    Ed            $6         $5         $1
Summary          $40         $25        $15
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00                                                     Price
 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00
                                                           Price
 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00
                                                           Price
 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
Market Demand for Pizza
            Highest Price            Consumer
Consumer                     Price
            Willing to Pay            Surplus
  Austin         $10         $7.50     $2.50
 Brittany         $9         $7.50     $1.50
   Carl           $8         $7.50     $0.50
 Duane            $7         $7.50    -$0.50
    Ed            $6         $7.50    -$1.50
Summary
Market Demand for Pizza
            Highest Price            Consumer
Consumer                     Price
            Willing to Pay            Surplus
  Austin         $10         $7.50     $2.50
 Brittany         $9         $7.50     $1.50
   Carl           $8         $7.50     $0.50
 Duane            $7         $7.50    -$0.50
    Ed            $6         $7.50    -$1.50
Summary
Market Demand for Pizza
            Highest Price             Consumer
Consumer                     Price
            Willing to Pay             Surplus
  Austin         $10         $7.50      $2.50
 Brittany         $9         $7.50      $1.50
   Carl           $8         $7.50      $0.50
 Duane            $7         $7.50     -$0.50
    Ed            $6         $7.50     -$1.50
Summary          $27         $22.50     $4.50
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1 Austin   2 Brittany   3 Carl   4 Duane   5 Ed
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1   2   3   4   5
Market Supply for Pizza

          Producer
Pizza
            Cost
 1           $3
 2           $4
 3           $5
 4           $6
 5           $7
101 lecture 8
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00

 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1   2   3   4   5
$10.00

 $9.00

 $8.00

 $7.00

 $6.00

 $5.00                       Price
 $4.00

 $3.00

 $2.00

 $1.00

   $0
         1   2   3   4   5
Market Supply for Pizza
                              Producer
 Pizza       Cost     Price
                               Surplus
   1          $3       $5         $2
   2          $4       $5         $1
   3          $5       $5         $0
   4          $6       $5        -$1
   5          $7       $5        -$2
Summary
Market Supply for Pizza
                              Producer
 Pizza       Cost     Price
                               Surplus
   1          $3       $5         $2
   2          $4       $5         $1
   3          $5       $5         $0
   4          $6       $5        -$1
   5          $7       $5        -$2
Summary
Market Supply for Pizza
                              Producer
 Pizza       Cost     Price
                               Surplus
   1          $3      $5          $2
   2          $4      $5          $1
   3          $5      $5          $0
   4          $6      $5         -$1
   5          $7      $5         -$2
Summary       $12     $15         $3
$10


$8


$7


$5


$3


$2


$0
      10,000   20,000
$10


$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                         Supply
$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                         Supply
$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                         Supply
$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                         Supply
$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                                      Supply
               Government- Imposed
$8
                  Minimum Price

$7


$5


$3


$2
                                     Demand
$0
      10,000          20,000
$10
                                      Supply
               Government- Imposed
$8
                  Minimum Price

$7


$5


$3


$2
                                     Demand
$0
      10,000          20,000
$10
                                      Supply
               Government- Imposed
$8
                  Minimum Price

$7


$5


$3


$2
                                     Demand
$0
      10,000          20,000
$10
                                              Supply
                       Government- Imposed
$8    A                   Minimum Price

$7
      B        E
$5

                   F
$3    C

$2    D
                                             Demand
$0
          10,000              20,000
$10
                                              Supply
                       Government- Imposed
$8    A                   Minimum Price

$7
      B        E
$5

                   F
$3    C

$2    D
                                             Demand
$0
          10,000              20,000
$10
                                              Supply
                       Government- Imposed
$8    A                   Minimum Price

$7
      B        E
$5

                   F
$3    C

$2    D
                                             Demand
$0
          10,000              20,000
$10
                                              Supply
                       Government- Imposed
$8    A                   Minimum Price

$7
      B        E
              Deadweight
$5               Loss
               $25,000
                   F
$3    C

$2    D
                                             Demand
$0
          10,000              20,000
$10


$8


$7


$5


$3


$2


$0
      10,000   20,000
$10


$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                         Supply
$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                         Supply
$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                         Supply
$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                         Supply
$8


$7


$5


$3


$2
                        Demand
$0
      10,000   20,000
$10
                                      Supply
$8


$7


$5


$3             Government- Imposed
                 Maximum Price

$2
                                     Demand
$0
      10,000          20,000
$10
                                      Supply
$8


$7


$5


$3             Government- Imposed
                 Maximum Price

$2
                                     Demand
$0
      10,000          20,000
$10
                                              Supply
$8    A
$7
      B        E
$5

                   F
$3    C                Government- Imposed
                         Maximum Price

$2    D
                                             Demand
$0
          10,000              20,000
$10
                                              Supply
$8    A
$7
      B        E
$5

                   F
$3    C                Government- Imposed
                         Maximum Price

$2    D
                                             Demand
$0
          10,000              20,000
$10
                                              Supply
$8    A
$7
      B        E
$5

                   F
$3    C                Government- Imposed
                         Maximum Price

$2    D
                                             Demand
$0
          10,000              20,000
$10
                                              Supply
$8    A
$7
      B        E
              Deadweight
$5               Loss
               $25,000
                   F
$3    C                Government- Imposed
                         Maximum Price

$2    D
                                             Demand
$0
          10,000              20,000

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101 lecture 8

  • 1. Microeconomics Lecture 8 Economic Surplus Deadweight Loss
  • 2. Economic Surplus Consumer Producer
  • 3. Market Demand for Pizza Highest Price Consumer Willing to Pay Austin $10 Brittany $9 Carl $8 Duane $7 Ed $6
  • 5. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 6. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 7. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 8. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 9. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 10. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 11. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 Price $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 12. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 Price $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 13. Market Demand for Pizza Highest Price Consumer Consumer Price Willing to Pay Surplus Austin $10 $5 $5 Brittany $9 $5 $4 Carl $8 $5 $3 Duane $7 $5 $2 Ed $6 $5 $1 Summary $40 $25 $15
  • 14. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 Price $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 15. $10.00 $9.00 $8.00 $7.00 Price $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 16. $10.00 $9.00 $8.00 Price $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 17. Market Demand for Pizza Highest Price Consumer Consumer Price Willing to Pay Surplus Austin $10 $7.50 $2.50 Brittany $9 $7.50 $1.50 Carl $8 $7.50 $0.50 Duane $7 $7.50 -$0.50 Ed $6 $7.50 -$1.50 Summary
  • 18. Market Demand for Pizza Highest Price Consumer Consumer Price Willing to Pay Surplus Austin $10 $7.50 $2.50 Brittany $9 $7.50 $1.50 Carl $8 $7.50 $0.50 Duane $7 $7.50 -$0.50 Ed $6 $7.50 -$1.50 Summary
  • 19. Market Demand for Pizza Highest Price Consumer Consumer Price Willing to Pay Surplus Austin $10 $7.50 $2.50 Brittany $9 $7.50 $1.50 Carl $8 $7.50 $0.50 Duane $7 $7.50 -$0.50 Ed $6 $7.50 -$1.50 Summary $27 $22.50 $4.50
  • 20. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 21. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 Austin 2 Brittany 3 Carl 4 Duane 5 Ed
  • 22. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 2 3 4 5
  • 23. Market Supply for Pizza Producer Pizza Cost 1 $3 2 $4 3 $5 4 $6 5 $7
  • 25. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0 1 2 3 4 5
  • 26. $10.00 $9.00 $8.00 $7.00 $6.00 $5.00 Price $4.00 $3.00 $2.00 $1.00 $0 1 2 3 4 5
  • 27. Market Supply for Pizza Producer Pizza Cost Price Surplus 1 $3 $5 $2 2 $4 $5 $1 3 $5 $5 $0 4 $6 $5 -$1 5 $7 $5 -$2 Summary
  • 28. Market Supply for Pizza Producer Pizza Cost Price Surplus 1 $3 $5 $2 2 $4 $5 $1 3 $5 $5 $0 4 $6 $5 -$1 5 $7 $5 -$2 Summary
  • 29. Market Supply for Pizza Producer Pizza Cost Price Surplus 1 $3 $5 $2 2 $4 $5 $1 3 $5 $5 $0 4 $6 $5 -$1 5 $7 $5 -$2 Summary $12 $15 $3
  • 30. $10 $8 $7 $5 $3 $2 $0 10,000 20,000
  • 31. $10 $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 32. $10 Supply $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 33. $10 Supply $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 34. $10 Supply $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 35. $10 Supply $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 36. $10 Supply Government- Imposed $8 Minimum Price $7 $5 $3 $2 Demand $0 10,000 20,000
  • 37. $10 Supply Government- Imposed $8 Minimum Price $7 $5 $3 $2 Demand $0 10,000 20,000
  • 38. $10 Supply Government- Imposed $8 Minimum Price $7 $5 $3 $2 Demand $0 10,000 20,000
  • 39. $10 Supply Government- Imposed $8 A Minimum Price $7 B E $5 F $3 C $2 D Demand $0 10,000 20,000
  • 40. $10 Supply Government- Imposed $8 A Minimum Price $7 B E $5 F $3 C $2 D Demand $0 10,000 20,000
  • 41. $10 Supply Government- Imposed $8 A Minimum Price $7 B E $5 F $3 C $2 D Demand $0 10,000 20,000
  • 42. $10 Supply Government- Imposed $8 A Minimum Price $7 B E Deadweight $5 Loss $25,000 F $3 C $2 D Demand $0 10,000 20,000
  • 43. $10 $8 $7 $5 $3 $2 $0 10,000 20,000
  • 44. $10 $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 45. $10 Supply $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 46. $10 Supply $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 47. $10 Supply $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 48. $10 Supply $8 $7 $5 $3 $2 Demand $0 10,000 20,000
  • 49. $10 Supply $8 $7 $5 $3 Government- Imposed Maximum Price $2 Demand $0 10,000 20,000
  • 50. $10 Supply $8 $7 $5 $3 Government- Imposed Maximum Price $2 Demand $0 10,000 20,000
  • 51. $10 Supply $8 A $7 B E $5 F $3 C Government- Imposed Maximum Price $2 D Demand $0 10,000 20,000
  • 52. $10 Supply $8 A $7 B E $5 F $3 C Government- Imposed Maximum Price $2 D Demand $0 10,000 20,000
  • 53. $10 Supply $8 A $7 B E $5 F $3 C Government- Imposed Maximum Price $2 D Demand $0 10,000 20,000
  • 54. $10 Supply $8 A $7 B E Deadweight $5 Loss $25,000 F $3 C Government- Imposed Maximum Price $2 D Demand $0 10,000 20,000

Editor's Notes