在研究上述問題之前，本論文先各別統整波特萊爾與齊美爾的思想，再以時尚(mode)此共同議題進行研究。故，本論文共分三個章節：第一章，以1863年波特萊爾提出現代性之定義，探尋他思想之前因後果，再進一步了解他重視的瞬間性特質和與時尚之間的關連。第二章，延續波特萊爾的現代性思索，探究被美國學者弗里斯比譽為「現代社會學家」的齊美爾又是如何看待現代性，並且梳理他的變動性主張和與時尚之間的關係。第三章，綜合他們的「現代性」與時尚觀點後，並深入研究二人的瞬間性與變動性於個體的行為展現，以及具體的在時尚現象中又是何種體驗模式。最後，藉由本論文研究的探討，一方面理解他們的思想脈絡，另一方面也為我們提供面對現代社會的另一種積極的生活姿態。 Despite the spatio-temporal gap of 50 years, Baudelaire and Simmel have both mentioned the notion of modernity which puts into question the development of modern city. But, what did they mean by “modernity?” What was the problem that came with the city development? In addition, how have modern citizens been effected by the concept of modernity? The study attempts to probe into the fashion behavior existing in the modern society, and to figure out if the idea of modernity would alter modern people’s life according to the ephemerality and mobility featured in the “modernity” proposed by Baudelaire and Simmel.
The study is divided into three chapters︰the first chapter explores the thread of thought of the definition of modernity proposed by Baudelaire in 1863, then identifies the connection between the ephemerality feature and fashion. In the second chapter, following Baudelaire’s idea, we discuss how Simmel regards modernity and identify the relationship between the mobility and fashion. This present study will then elaborate their ideas on modernity and fashion, and explore further how ephemerality and mobility are expressed by individual’s behaviors.