臺灣博碩士論文加值系統

本文以台灣日治時期的公娼為例，利用總督府對台灣色情產業的總體統計資料與當時地方法院公證的「金錢借貸竝性工作契約」資料，分別從總體的角度看性市場的運作以及從個體資料的角度來看性工作契約的簽訂。我們從總體資料發現，雖然一開始色情場所的設置是以服務來台日人(特別是軍人)為主，且登記在案的娼妓大多數為日籍，但迴歸結果顯示台灣性產業無法區隔日本男性及台灣男性的消費市場。相較於在台日本男性，所有在台灣的男性人口(以總人口性比例為代理變數)對性工作者均衡數量的影響更顯著，此外，在台灣的總男性人口的增長使性工作者的種族及種類更加多元。
而在個體的契約資料方面，我們分析契約條件間的相互關係，以及性工作者特質與市場環境如何影響契約內容。首先，若將樣本依性工作者「因執業所引起的疾病治療費用由誰支付」加以分類可以發現，當該費用由雇主負擔時，雇主可拿到性工作者近全數的從業收入；反之，由性工作者自行負擔治療費時，則性工作者抽取每次執業收入的成數與借貸金除以簽約月數之值成反比。此外，年紀較大、從事藝妓而非娼妓(因此疾病風險較低)以及在總人口性比例高、所得高地區工作的性工作者，有較高的機率會簽訂自付疾病治療費用的契約。我們也將總體統計資料與公證契約合併，以工具變數法估計當時性產業的供給曲線彈性約為0.4。最後，法院公證資料也顯示，當時從事性產業的日籍女子，每月實質工資最低也與台北廳日籍男性職工的月薪相當。

This paper studies licensed sex workers in the Japanese colonial period Taiwan in the early 20th century. Originally the industry targeted only Japanese immigrants and soldiers, and most of the sex workers were Japanese. But our regional panel results show that there was no market segregation in sex industry back then: all male population in Taiwan (the proxy variable is sex ratio of total population) has a much larger impact on equilibrium quantity of sex workers than the Japanese male population (the coefficient is insignificant and small). In addition, male population in Taiwan also increases horizontal and vertical differentiation in the sex industry.
Furthermore, using sex worker- brothel contracts notarize by the courthouses then, we analyze how sex worker’s characteristics and market environment affect the contract choice. Several empirical relations are reported. First, if the employer was responsible for paying worker’s sexually transmitted disease (STD) treatment, then he can take away all the revenue paid by the customers in each transaction. On the other hand, if sex workers pay the treatment by themselves, then the percentage of revenue they received from each transaction is inversely proportional to their monthly borrowing. In addition, elder sex workers, prostitutes instead of geisha (lower disease risk) as well as sex workers working in higher sex ratio or higher income area have higher probability to sign a contract to pay disease treatment themselves. Using instrumental variables regression, we also estimate the supply elasticity of sex worker is about 0.4. Finally, the contract data shows that a Japanese sex worker earns roughly as much as a Japanese medium skill male worker.

第一章 緒論 1
第二章 文獻回顧 3
第三章 日治時期台灣色情產業的背景 6
3.1對娼妓、貸座敷的規範 7
3.2對酌婦、藝妓的規範 8
3.3對密賣淫者(私娼)的規範 9
第四章 資料敘述 10
4.1總體統計資料 10
4.2金錢貸借竝娼妓、藝妓、酌婦稼業契約公正證書 12
第五章 實證模型與結果 14
5.1性比例對性工作者均衡數量的影響 15
5.2市場大小對性產業之水平多元化及垂直多元化的影響 17
5.3估計台灣日治時期性產業的供給 20
5.4影響契約簽訂內容的因素 22
第六章 結論與討論 27
圖 31
表 35
參考文獻 47
附錄 50

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