1997 1) 2) 2000; 2004; 2004 90 1992 0.313 97 0.343 2002 0.383 2004: 106 2007 0.409 92 0.284 2007 0.313 0.029 0.096 2000 10.4% 3) 37.3% 4) 90 1998: 4 55
1 3 2004 Shorrocks 5) 1991 2002 2003 2007 Shorrocks 6) 61.9% 7) 35.2% 2.9% 2003 2007 2003 0.551 0.650 2007 0.596 0.775 2 8 8) 2 3 2007 87.9% 12.1% 56 Vol. 55, No. 3, July 2009
45.2% 9) Mookherjee and Shorrocks 1982 2003 2007 2003 2007 0.125 77.4% 16.7% 5.9% 3 1998: 40 2 1.34% 2000: 26 98 80 kg 1 ha 6 6 3 ha 5 9 10) 2003: 88 1. 耕作面積の二極化 2003 2007 39.7% 43.3% 15.1% 15.7% 45.2% 41.0% 1 ha 1 ha 3 ha 3 ha 57
320 3,200 5 2003 2007 11) 1 0.5 ha 5 ha 1 2 ha 2 3 ha 3 4 ha 4 5 ha 3ha 2003 2007 5% 5% 5% 3 2003 2 a b c 2. 分析の枠組み 2002: 2 1990 12) 2006: 37 38 2007: 51 3 ha 2005: 545 2 3 ha 98 58 Vol. 55, No. 3, July 2009
1 2003 2007 2007 % ha 0.5ha 0.5 1ha 1 2ha 2 3ha 3 4ha 4 5ha 5ha 0.5ha 79.9 13.6 5.3 1.2 0.0 0.0 0.0 0.5 1ha 15.8 66.5 16.8 0.8 0.0 0.0 0.0 1 2ha 5.7 20.1 63.0 9.2 2.0 0.0 0.0 2003 2 3ha 1.4 3.1 25.5 56.7 11.7 0.7 0.9 3 4ha 0.0 3.4 7.1 15.4 45.6 10.9 17.6 4 5ha 0.0 0.0 2.0 8.7 16.3 37.3 35.7 5ha 1.8 0.0 1.1 3.4 4.2 5.2 84.3 2 2003 2007 % 0.5 ha 36.2 38.5 25.3 0.5 1.0 ha 32.8 33.5 33.7 1.0 2.0 ha 30.8 21.6 47.6 2.0 3.0 ha 33.4 23.8 42.8 3.0 4.0 ha 49.0 19.6 31.4 4.0 5.0 ha 48.7 13.5 37.9 5.0 ha 50.2 8.5 41.3 1 2 2003 2007 5% 5% 5% 1 59
y i *= +X i +e i y i * 0 y i =1 y i * 0 y i =0 X i e i i i P i P i (y i =1) =F( + X i ) F e i 1997 1 2 3 1997 1997 y =1 0 y =1 0 2 X 13) 60 Vol. 55, No. 3, July 2009
14) 3. 分析結果 3 1 2 ha 3 4 ha 14.1% 4 5 ha 12.3% 5 ha 12.7% 3 ha 3 5% 5% 1 2 ha 0.5 ha 0.038** 0.0027 0.192** 0.0026 0.5 1 ha 0.027** 0.0020 0.139** 0.0021 2 3 ha 0.002** 0.0024 0.058** 0.0026 3 4 ha 0.141** 0.0031 0.165** 0.0030 4 5 ha 0.123** 0.0041 0.079** 0.0041 5 ha 0.127** 0.0041 0.068** 0.0041 0.028** 0.0025 0.242** 0.0026 0.080** 0.0019 0.040** 0.0019 60 69 49 0.111** 0.0026 0.140** 0.0025 50 59 0.145** 0.0021 0.173** 0.0019 70 0.047** 0.0020 0.084** 0.0023 0.061** 0.0040 0.002** 0.0045 0.044** 0.0020 0.041** 0.0021 0.035** 0.0028 0.044** 0.0029 0.120** 0.0047 0.220** 0.0040 0.005** 0.0029 0.051** 0.0030 0.024** 0.0036 0.073** 0.0038 0.111** 0.0035 0.249** 0.0040 0.018** 0.0028 0.006** 0.0029 0.030** 0.0027 0.016** 0.0027 0.020** 0.0027 0.051** 0.0028 0.041** 0.0033 0.036** 0.0033 LR 20243 36452 431,144 431,144 1 ** 1% * 5% 2 1 0 2008: 76 2007 0.5 ha 1 0 1 61
60 50 14.5% 49 11.1% 70 4.7% 60 60 60 1% 1 2 ha 0.5 ha 19.2% 0.5 1 ha 13.9% 3 4 ha 16.5% 60 50 17.3% 49 14.0% 70 8.4% 24.2% 1% 1. 総括的な考察 15) 16) 40% 4 70 50% 100% 54.8% 2: 4: 59.1% 68.0% 70.1% 62 Vol. 55, No. 3, July 2009
4 % 0.5ha 35.5 27.5 0.5~1.0ha 34.4 32.8 1.0~2.0ha 31.7 46.7 2.0~3.0ha 31.5 40.9 3.0~4.0ha 45.9 30.2 4.0~5.0ha 44.0 38.8 5.0ha 44.4 39.9 49 42.5 28.6 50 59 45.9 25.3 60 69 31.4 42.6 70 26.7 51.0 100% 36.9 54.8 0% 34.1 30.3 100% 42.6 34.5 0% 34.4 38.3 1 54.0% 23.1% 32.9% 1.5% 16.7% 1 2. 経営主の年齢及び賃貸借面積比率に係る考察 63
60 2008 2 1 2005 2002 2005 2008 1 ha 74 6 17) 1 3. 耕作面積 規模拡大 3 ha 1.0 3.0 ha 3 ha 64 Vol. 55, No. 3, July 2009
1994 WTO 1 2004 15 18) 1999: 315 2004 2010 1 6 ha 7 19) 92 99 34% 50% 2000 2008 70% 93 97 98 20) 1 3 95 96 1 ha 97 2002 21) 2003 2 ha 2000 45.1% 1 ha 1 2 ha 35.5% 8 2 ha 2000: 4 95 2007 1 ha 19.9% 1 2 ha 31.2% 2 3 ha 27.3% 8 3 ha 2004 3 ha 2006 3 ha 17.5% 69.0% 65
22) 95 97 3 23) 6 2000 6 8 3 ha 6 ha 2010 7 6 3 ha 2007 83.3% 24) 3 ha 3 ha 4. 耕作面積 規模縮小 2 2005: 545 2 3 ha 1 2 ha 2 3 ha 1 3 4 ha 59.7% 1,000 35.8% 2,000 24.6% 3,000 4,000 4 5 ha 2 3 ha 1,000 36.1% 2,000 15.1% 3,000 2.7% 1 2 ha 19.0% 4.2% 2.1% 0.5 ha 80 kg 14 4 1 3 ha 3 5 ha 1 ha 66 Vol. 55, No. 3, July 2009
1 1 2 12 9 2002: 71 25) 5. 離農に関する考察 26) 27) 2004 5 67
28) 0.5 ha 2003 0.5 ha 31.1% 2007 12.7% 18.4% 11.8% 0.5 ha 2006: 46 2002 2006: 20 2003 2007 3 ha 29) 30) 68 Vol. 55, No. 3, July 2009
1) 2002 2004 2) 3) 4) 2007: 24 5) Shorrocks 1982 1998 6) 7) 2003 2007 5 8) ( ) 9) 11.2% 27.3% 1.3% 0.8% 5.4% 8.4% 0.3% 10) 1 ha 3 ha 2000: 26 1 11) 5 12) 2005: 529 1990 0.5 ha 3 ha 13) 1 0 1 : 0.5 ha 0.5 ha 1 ha 1 ha 2 ha 2 ha 3 ha 3 ha 4 ha 4 ha 5 ha 5 ha 2 : 49 50 59 60 69 70 3 : 1 0 1 0 2003 14) 2007: 95 15) 16) 17) 2006: 46 48 69
2001 18) 10 19) 20) 21) 3 ha 22) 2006 2004 = 744 1994 95 2004 23) 1995 2007 13 99,687 24) 2 3 ha 40.5% 1 2 ha 11.9% 1000 25) 2005: 542 543 2008 19 20 0.5 ha 0.5 1 ha 1 3 ha 26) 27) 63 72 2008 28) 2003 2007 29) 2000: 25 3 ha 1990 1 8 99 3 2 1 4 3 ha 1 5 3 ha 2008: 74 1999 2007 3 ha 3 3 ha 3 2 30) 2002: 93 2008 日本語 2007 Stata 1998 2007 276 303 2002 2008 英語 Mookherjee, D. and. A. Shorrocks (1982), A Decomposition Analysys of the Trend in UK Income Inequality, Economic Journal, Vol. 92, pp. 886 992. Shorrocks, A. F. (1982), Inequality Decomposition by Factor Components, Econometrica, Vol. 50, No. 1, pp. 193 211. 韓国語김병택 김정호 2005 쌀농업구조조정의당위성과한계 70 Vol. 55, No. 3, July 2009
32 3 526 547 김성용 2004 농가소득불균등의변화추이와소득원천별분해 45 4 97 115 김수석 허주녕 2007 농지유동화실태와정책과제 김정호 1998 쌀단수의변동과전망 21 1 33 44 김정호 성명환 강혜정 한두봉 2006 WTO 체제하의쌀산업정책의평가와과제 WTO 김홍상 이형순 2000 영농규모화사업의쌀생산비절감효과추정 23 4 21 35 1999 한국농정 50 년사 50 2002 쌀개방화시국내쌀보호수준변화에따른비용절감형경영모형개발 박덕열 박정근 2003 영농규모화사업의이론적배경과사업효과에관한연구 34 79 98 박문호 2000 쌀전업농육성방안 23 4 1 20 박준기 문한필 김용택 2004 농가소득불평등도의요인분해 27 4 15 27 송해안 2006 쌀전업농가의지속적인경영규모확대방안에관한연구 19 4 1463 1479 심근섭 이관석 1997 농가경영조건이농지유동화에미치는영향 경기지역을중심으로 38 2 53 76 안동환 김관수 2004 개별농가의영농중단요인분석 45 2 163 185 2007 소득불평등과양극화 2002 외환위기이후소득분배구조변화와재분배정책효과분석 이병기 2000 한국경제위기전후농가소득불균등변화와정책과제 27 2 25 40 이정환 김관수 김명환 김태균 사공용 안동환 임정빈 2006 쌀산업을지배하는원리 GS & J Institute 2008 2007 년도농지은행사업실적분석보고서 2007 현진권 임병인 2004 우리나라소득분배실증연구의한계 응용경제 6 1 49 68 E-mail: takayasu@sk.tsukuba.ac.jp 71