dc.contributor.advisor | 陳樹衡 | zh_TW |
dc.contributor.author (Authors) | 謝易霖 | zh_TW |
dc.creator (作者) | 謝易霖 | zh_TW |
dc.date (日期) | 2007 | en_US |
dc.date.accessioned | 18-Sep-2009 16:06:20 (UTC+8) | - |
dc.date.available | 18-Sep-2009 16:06:20 (UTC+8) | - |
dc.date.issued (上傳時間) | 18-Sep-2009 16:06:20 (UTC+8) | - |
dc.identifier (Other Identifiers) | G0932580121 | en_US |
dc.identifier.uri (URI) | https://nccur.lib.nccu.edu.tw/handle/140.119/35812 | - |
dc.description (描述) | 碩士 | zh_TW |
dc.description (描述) | 國立政治大學 | zh_TW |
dc.description (描述) | 經濟研究所 | zh_TW |
dc.description (描述) | 93258012 | zh_TW |
dc.description (描述) | 96 | zh_TW |
dc.description.abstract (摘要) | 財務市場資訊不對稱的現象已由不少學者研究, 本文利用真人實驗方法對此一議題再檢驗, 依照擁有資訊的程度分為: 完全知訊者、不完全知訊者與外部者。結果發現, 價格收斂情形與知訊者的多寡有顯著相關, 然而卻與知訊品質的高低相關性較低。成交量與價格收斂情形呈反向關係, 雖顯著但相關性有限, 我們推測對資產定價的落差雖是交易動機的原因之一,但並非僅只有此原因。市場內財富差異性亦與價格收斂有所相關, 價格收斂越好的市場, 市場吉尼係數就越小, 顯示參與者間貧富落差越小。與過去文獻差異較多是擁有較多資訊的參與者不見得有較好的利得,因此, 擁有資訊的程度不再是決定利得的唯一因素, 策略的選擇將是影響利潤的重要因素之一。 根據實驗結果, 發現限價單使用比例與期末利得有顯著的正相關, 且排名較為前面的參與者能較快學習到此一結果。本文將限價單使用比例的增減做為一策略選擇, 並利用三種強化學習模型解釋市場現象, 此三種模型皆從Roth 與Erev 的文獻中而來, 前二種模型中有二種參數: 新進因子與經驗因子, 新進因子表示前一期策略的動機對本期採同一策略動機的影響,經驗因子則表示前其策略所引發的利潤對本期策略動機的影響, 此一參數亦隱含了參與者強化學習之能力。第三種模型則多增加了參與者對利潤敏感的的測度。結果發現, 無論是此三種模型的何種參數, 在不同資訊結構的市場與不同類型的參與者間幾無差異。然而, 若以參與者利得的表現區分, 參與者對過去利潤的反應, 即經驗因子, 有顯著的差異, 說明了利潤高低與是否能從過去利潤結果學習到經驗(即強化學習能力) 有密切關係。上述三個現象說明, 參與者的行為參數在進入實驗室前就已決定了,因此利用市場環境與參與者身份將之分類比較的差異性不大, 但這樣的差異卻會影響之後的利得。故本文的結論與過去文獻不同的是, 在此實驗中決定參與者利得多寡的不再是資訊掌握程度, 而是其學習(策略) 之能力。 | zh_TW |
dc.description.tableofcontents | 1 緒論. . . . . . . . . . . . . . . . . . . . . . . . . . 141.1 研究背景與動機. . . . . . . . . . . . . . . . . . . . 141.2 研究方法. . . . . . . . . . . . . . . . . . . . . . . 161.3 本文架構. . . . . . . . . . . . . . . . . . . . . . . 172 文獻回顧. . . . . . . . . . . . . . . . . . . . . . . . 182.1 市場總體面分析. . . . . . . . . . . . . . . . . . . . 192.2 參與者的行為與策略. . . . . . . . . . . . . . . . . . 282.3 本章結論. . . . . . . . . . . . . . . . . . . . . . . 313 實驗設計. . . . . . . . . . . . . . . . . . . . . . . . 333.1 實驗概述. . . . . . . . . . . . . . . . . . . . . . . 333.2 實驗架構. . . . . . . . . . . . . . . . . . . . . . . 353.3 實驗流程. . . . . . . . . . . . . . . . . . . . . . . 374 實驗結果: 市場表徵與特性394.1 市場總體面分析. . . . . . . . . . . . . . . . . . . . 394.1.1 價格收斂. . . . . . . . . . . . . . . . . . . . . . 394.1.2 市場交易量. . . . . . . . . . . . . . . . . . . . . 534.1.3 財富分配. . . . . . . . . . . . . . . . . . . . . . 644.2 市場個體面分析. . . . . . . . . . . . . . . . . . . . 834.2.1 參與者與財富表現. . . . . . . . . . . . . . . . . . 844.2.2 參與者與成交數目. . . . . . . . . . . . . . . . . . 944.3 本章結論. . . . . . . . . . . . . . . . . . . . . . . 975 實驗結果: 參與者策略對市場的影響與演進. . . . . . . . . 1005.1 參與者策略與利潤. . . . . . . . . . . . . . . . . . . 1005.2 參與者策略的學習. . . . . . . . . . . . . . . . . . . 1075.3 學習行為與市場現象. . . . . . . . . . . . . . . . . . 1195.3.1 模型估計結果與解釋力. . . . . . . . . . . . . . . . 1205.3.2 市場結構差異與參數. . . . . . . . . . . . . . . . . 1225.3.3 參與者類別與參數. . . . . . . . . . . . . . . . . . 1315.3.4 參與者財富表現與參數. . . . . . . . . . . . . . . . 1385.4 本章結論. . . . . . . . . . . . . . . . . . . . . . . 1486 結論與未來發展. . . . . . . . . . . . . . . . . . . . . 1516.1 實驗結果總整理. . . . . . . . . . . . . . . . . . . . 1516.2 未來研究展望. . . . . . . . . . . . . . . . . . . . . 153Appendices. . . . . . . . . . . . . . . . . . . . . . . . 155A 實驗說明. . . . . . . . . . . . . . . . . . . . . . . . 156B 真實價值資訊的產生. . . . . . . . . . . . . . . . . . . 167C 實驗參與者的分析. . . . . . . . . . . . . . . . . . . . 169D 參與者參數估計值. . . . . . . . . . . . . . . . . . . . 172E 參數分佈圖. . . . . . . . . . . . . . . . . . . . . . . 190 | zh_TW |
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dc.language.iso | en_US | - |
dc.source.uri (資料來源) | http://thesis.lib.nccu.edu.tw/record/#G0932580121 | en_US |
dc.subject (關鍵詞) | 資訊不對稱 | zh_TW |
dc.subject (關鍵詞) | 資訊散佈 | zh_TW |
dc.subject (關鍵詞) | 雙方喊價市場 | zh_TW |
dc.subject (關鍵詞) | 實驗經濟學 | zh_TW |
dc.subject (關鍵詞) | 強化學習模型 | zh_TW |
dc.title (題名) | 財務市場資訊不對稱下之市場現象與參與者行為之研究 | zh_TW |
dc.type (資料類型) | thesis | en |
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