本文首先探討台灣的街籍、教育與職業的關係。本文認為不同省籍家庭社經地位對下一代的教育與職業之影響，遠比國家教育補助政策重妥，因此採吉寸各個家庭社經地位的原初條件是解釋戰後省籍經濟地位差異的起點。1950年代可說是戰後台灣階層改變最劇烈的時候，因此本文集中在1950年代各階層的構成與流動的可能性。

This paper discusses the relationship between ethnicity， education and occupation in the first part. Regarding the ethnic educational and occupational difference， it argues that a family's socio-economic status is far more imp ortant in affecting next generation's mobility than state's subsidy policy. ]n the second part， it discusses the initial conditions of different classes which was formed by the state's policy in the 1950s. Ittries to understand the life chances for different classes to mobile at that time.