absolute advantage
113663
112243
1815
100120
8090
90100 10080
111001209080
comparative advantage /
1RC ARC=LA/QA/LB/QB
2
3
111005/61206/5909/8808/9
123
12212 /34567
YOXABCYOXABCIC1IC1Nation 1Nation 2IC2IC2
1 2 3 4
YOXDCEABF
Pc/PwOQc/Qw14/3RSRDQ1Q2A
1n
2m
3mn
(a/b)1 < (a/b)2 < (a/b)3
Pa/PbOQa/QbRSRDQ1Q2
(a/b) i < (Pa/Pb)Ia
(a/b) j > (Pa/Pb)jb
(a/b) * = (Pa/Pb)
(A/B)1
Aj WLj < W*Lj* Lj*/ Lj > W/ W*
W/ W*
RDRSO124810L/L*
OabcdeOabcdeOOabcdeabcde
234O1a1b1c1d1e1
a2O2b2c2d2e2O3a3b3d3c3e3O4a4d4b4e4c4
12 34acbdebcdebdeacdeabc
193725 1 22 11
RCA= ( Xij/Xj ) / ( Wi/W )
XijjiXjjWiiW
1234