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베타 수컷 혼자노는 것이 불쌍해서, 암컷 한마리를 합사했더니만...
잘 지내다가, 주말동안에 수컷 지느러미 반을 날려 버렸다.

아침에 와보니 수컷은 구석에서 눈치만 보고있는...

사용자 삽입 이미지
문제의 암컷...
사용자 삽입 이미지



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불쌍한 수컷, 지느러미가 너덜너덜...

사용자 삽입 이미지
사용자 삽입 이미지

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목 차

서 언 ····················································································································· 1
요약문 ···················································································································· 9

제 1 장 서 론 ····································································································· 21
제 1 절 연구의 배경 및 목적 ··········································································· 21
1. 연구의 배경 및 의의 ·················································································· 21
2. 연구의 목적 ································································································ 23
제 2 절 연구의 방법 및 구성 ··········································································· 24
제 3 절 기대성과 ······························································································ 25
제 2 장 국내외 유무선 통신서비스 시장 현황 ···················································· 26
제 1 절 국내 유무선 통화서비스의 발전과정과 현황 ······································· 26
1. 개 요 ········································································································· 26
2. 유무선 통신서비스 시장현황 ······································································ 27
3. 유무선 통신서비스의 요금 ········································································· 29
4. 유무선 융합서비스 제공 현황 ···································································· 34
제 2 절 해외 유무선 통신서비스 시장 현황 ····················································· 38
1. 미 국 ········································································································· 38
2. 유 럽 ········································································································· 39
3. 아시아-태평양 ·························································································· 40
제 3 장 유무선대체성 관련 기존 연구 검토 ························································ 47
제 1 절 유무선대체성에 관한 이론적 연구 ······················································ 47
1. 유무선 대체 이론 ······················································································· 47
4
2. 유무선대체성 선행 연구 분류 ···································································· 52
제 2 절 국내 실증연구 문헌 ············································································· 53
1. 전영서(2000) ······························································································· 54
2. 문춘걸(2002) ······························································································· 55
3. 성낙일, 김창건(2002) ·················································································· 55
4. 변정욱 외(2003) ·························································································· 57
제 3 절 해외 실증연구 문헌 ············································································· 58
1. Noguchi and Takashima(2000) ······································································ 58
2. Rodini, Ward, and Woroch(2002) ································································· 61
3. Hodge(2005) ································································································ 65

제 4 장 국내 통화서비스시장에서의 유무선대체성 계량분석 ····························· 70
제 1 절 유무선 통화서비스 간 교차탄력성 추정방법 ······································· 70
제 2 절 총량데이터를 이용한 유무선대체 계량분석 ········································ 72
1. 데이터 및 변수 ··························································································· 72
2. 분석 모형 ···································································································· 87
3. 분석 결과 ···································································································· 89
제 3 절 가상적 가격시나리오 실험을 이용한 유무선대체 계량분석 ················ 97
1. 데이터 및 변수 ··························································································· 97
2. 분석 모형 ···································································································· 99
3. 분석 결과 ·································································································· 100
제 4 절 컨조인트 설문을 이용한 유무선대체 계량분석 ································· 102
1. 데이터 및 변수 ························································································· 102
2. 분석모형 ···································································································· 104
3. 분석결과 ···································································································· 109
제 5 절 소 결 ································································································ 115

서 언 5
제 5 장 유무선대체 관련 통신규제정책 개선방안 ············································· 118
제 1 절 국내 통신규제제도 현황 및 유무선대체 관련 정책이슈 ···················· 118
1. 역무 및 사업자 분류 제도 ········································································ 118
2. 진입규제 제도 ··························································································· 123
3. 요금규제 제도 ··························································································· 126
4. 상호접속 제도 ··························································································· 128
5. 보편적 서비스 제도 ·················································································· 131
6. 번호이동성 제도 ······················································································· 133
제 2 절 분석결과의 정책적 함의와 통신규제정책의 단기적 개선방안 ··········· 135
제 3 절 통신규제정책의 중장기 개선방향 ······················································ 136
제 6 장 결 론 ··································································································· 137
제 1 절 연구결과 요약 ···················································································· 137
제 2 절 연구의 의의 및 시사점 ······································································ 138
제 3 절 연구의 한계 ······················································································· 140
참고문헌 ············································································································· 141
부 록 ················································································································· 148
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