A.壽險(xiǎn)與非壽險(xiǎn) B.水險(xiǎn)與非水險(xiǎn) C.財(cái)產(chǎn)保險(xiǎn)與人身保險(xiǎn) D.財(cái)產(chǎn)保險(xiǎn)與人壽保險(xiǎn)
A.Ed=△D/D△f/f B.Ed=△f/f△D/D C.Ed=△f/D△D/f D.Ed=△D/f△f/D
A.供給與需求關(guān)系 B.生產(chǎn)與銷售關(guān)系 C.代理與被代理關(guān)系 D.生產(chǎn)與經(jīng)營關(guān)系