共 21 条
[2]
[Anonymous], 1972, STUDIES STRUCTURE UR
[3]
ARTLE KRA, 1971, AM EC REV P, V61, P354
[5]
BORUKHOV E, 1972, J POL EC, V80, P1205
[8]
SPATIAL STRUCTURE IN THE RETAIL TRADE - A STUDY IN PRODUCT DIFFERENTIATION WITH INCREASING RETURNS
[J].
BELL JOURNAL OF ECONOMICS,
1980, 11 (02)
:565-583
[10]
HENDERSON JV, 1974, AM ECON REV, V64, P640