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1 *, **, ***, * * ** *** Acknowledgement 2005 BTP.

3 (Green Logistics) ( - ) EU - ISO ( ) -, - 3

4 1. Liberal Return Policy - (South Florida Stock ) - (,TV, ) -21C, 2 4

5 1. (Logistics) vs. (Reverse Logistics) Suppliers Manufacturers Centreal/ Regioanl Warhouses Retailers Other Customers Original Customers End-of-Use Returns Warrant Returns Commercial Returns Redistribution Collection Restoration Reparing Reuse Recycling Repair Centers (Inspection/ Sorting) Disposal 5

6 1. 6

8 1. 8

9 ( : Single) : ( : Multi) :, ( : Multi) : / 9

10 a Z ( T 1) + + b w riyi + h w ri + i 2 i X w T f ( X, d ) i 10

11 11 Subect to Subect to ( ) J I Z Y J T J X Z z J I l Y d J X ry T J Z M Y I Y i i i i i i i i i i i i = =,, 7 5, 4, 3, 2, 1, 0, 0,

12 (2), parameter Index Value Annual cost of renting an initial collection point Daily inventory carrying cost per unit Working days per year Unit handling cost at the collection point Proximity Unit freight rate Discount rate in accordance with shipping volume a b w h l E $200 $ $0.1 5 miles $1 P P units 400 units Penalty rate proportional to shipping distance q q miles 15 miles Minimum number of the established collection points Z 1 12

13 (3) Number of open initial collection points = 4 (Initial collection point; collection period) = [(64), (73), (25;2), (28;7)] (Initial collection point; Customers allocated to the respective initial collection point) = [(61,2,6,9,13), (73,4,5,7,8,10,11,14,15,16),(2517,18,20,21,22,23,25,26,27,29,30),(2819,24,28)] (Initial collection point; Shipping volume of returned products per consolidation) = [(6516), (7537), (25430), (28434)] Total annual cost of renting initial collection points $800 Total inventory carrying costs $31,275 Total handling costs $14,625 Total transportation costs $95,520 Total annual reverse logistics costs $142,220 Reverse logistics cost per unit $

14 (4) Max Holding Period (in days) Total Reverse Logistics Cost Number of Open Collection Points [(Collection Point Location Collection Period in days)] 1 $176,825 6 [(3;1), (6;1), (12;1),(15;1),(25;1), (28;1)] 2 $156,595 5 [(3;1), (6;2), (12;2), (19;1),(25;2)] 3 $145,333 4 [(7;3), (9;3), (25;2), (28;1)] 5 $143,685 4 [(2;4), (7;4), (23;2), (28;5)] 7 $142,220 4 [(6;4), (7;3), (25;2), (28;7)] 14

15 : ( : Multi) -, (1) a + k Z G + b w k X ( T 1) + ry i i i 2 k w T f ( X, d ) k + h w k i r i + k q k G k 15

16 : ( : Multi) (2) 16

17 : ( : Multi) - / (1) + h w + ( Z ) ( X, d ) ( T 1) t + rityit 2 a Z t + s Z t 1 t 1 + b w t i i r it X t w T t f t 17

18 : ( : Multi) (2) Time period = 1 Number of open initial collection points = 4 (Initial collection point; collection period) = { (4;3), (6;1), (71), (82) } (Initial collection point; Customers allocated to the respective initial collection point) = {(4;3,18), (6;1,2,4,9,15,24,25,26,27,28,29,30),(7;5,7,8,13,14,16,17,20),(8;6,10,11,12,19,21,22,23)} (Initial collection point; Shipping volume of returned products per consolidation) = {(4;168), (6;617), (7;504), (8;287)} Time period = 2 Number of open initial collection points = 4 (Initial collection point; collection period) = { (2;1), (4;4), (71), (81) } (Initial collection point; Customers allocated to the respective initial collection point) = {(2;1,2,4,9,15,26,28,29,30), (4;3,18), (7;5,7,8,13,14,16,17,20,24,25),(8;6,10,11,12,19,21,22,23,27)} (Initial collection point; Shipping volume of returned products per consolidation) = {(2;995), (4;112), (7;684), (8;567)} 18

19 : ( : Multi) 19

20 4. cp1 cp2 cp days days days 20

21 5. ( / ) 21

시작하기 시작할 준비가 되었으면 다음 설명에 따라 설문조사를 실시한다. 1단계: 허락받기 클럽을 떠나는 회원에게 에 응해 줄 것인지 물어본다. 이 설문 조사는 클럽의 문제점을 보완해 향후 같은 이유로 이탈하는 회원들이 없도록 하기 위한 것이며, 응답 내용은 대외비로 처

시작하기 시작할 준비가 되었으면 다음 설명에 따라 설문조사를 실시한다. 1단계: 허락받기 클럽을 떠나는 회원에게 에 응해 줄 것인지 물어본다. 이 설문 조사는 클럽의 문제점을 보완해 향후 같은 이유로 이탈하는 회원들이 없도록 하기 위한 것이며, 응답 내용은 대외비로 처 떠나는 이유 알아보기 왜 클럽을 떠나는가? 이는 클럽을 떠나기로 결심한 동료들에게 반드시 물어봐야 할 질문이다. 그리고 그 답이 무엇이든 다시는 같은 이유로 클럽을 떠나는 회원이 없도록 개선책을 마련해야 한다. 를 사용해 왜 회원들이 클럽을 떠나는지, 그리고 앞으로 회원들의 이탈을 막으려면 어떻게 해야 할 것인지 논의를 시작한다. 클럽 회원위원회는 이 설문조사를