In the following, the article introduces classical theories of migration between rural and urban areas, and simply discusses the adaptability of Harris-Todaro Model in China.

• 而后，将目光聚焦到作为国内乡城人口迁移主要迁入地的上海，分析了在我国工业化、非农化和城市化快速推进的大背景下，上海常住人口和外来人口近年来在就业领域所发生的深刻变化及其成因；