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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
131

壓縮空間上非擬真視訊之製作

許富量, Hsu,Fu-Liang Unknown Date (has links)
NPR(Non-photorealistic Rendering)主要目的是透過不同的演算法,由電腦自動產生各種不同繪畫風格的影像,目前的NPR系統礙於演算法的計算速度,多數都僅針對靜止的單一圖片進行處理,故本研究試圖對二維空間中已發展的NPR演算法做延伸,在空間領域以及MPEG壓縮領域上分別提出不同的加速效能方式。在空間方面針對不同的範圍套用NPR演算法,如臉部、膚色區塊等有意義的部份;而在MPEG壓縮格式上,透過MPEG中的I,P,B-frame不同的特性,視影像中的差異度做不同的套用方式,以求改進NPR演算法效能,達到即時產生NPR特效的影片或動畫,進一步應用於多媒體娛樂以及人機互動機制。 / Recently, various non-photorealistic rendering (NPR) techniques have been developed for computers to generate images of different artistic styles automatically. Due to the complexity of the algorithms, however, most NPR methods are limited to the processing of static images. It is the objective of this thesis to extend and improve existing NPR techniques to enable near real-time processing of video. The enhancement can be achieved in both spatial and compressed domains. In the spatial domain, computational complexity is reduced by applying NPR only to selective regions in the images, e.g., face or skin area. In the MPEG compressed domain, by exploiting the relationship among I, P, and B frames, different strategies can be developed to increase the efficiency of the NPR algorithm. Experimental results have demonstrated the efficacy of the proposed methods and validated the near real-time creation of NPR video effects.
132

探討平面圖的d維矩形表示法 / A Study on Strict d-box Representations of Planar Graphs

劉淑慧 Unknown Date (has links)
本文我們探討平面圖形的嚴格d維矩形表示法。我們證明了四連通三角平面圖有嚴格的二維矩形表示法,而且我們推廣到每一個平面圖都有嚴格的三維矩形表示法。我們的目標是希望能在平面圖矩形表示法的現今地位上,提供新的洞悉,並給未來學習者一個方向。 / We study strict d-box representations of planar graphs. We prove that a 4-connected planar triangulation graph G has a strict 2-box representation. We extend this result to that every planar graph has a strict 3-box representation. Our goal is to provide some fresh insights into the current status of research in the area while suggesting directions for the future.
133

空間改造後青少年公共圖書館空間使用與滿意度研究 / Public Library Space Use and Satisfaction from Perspectives of Young Adults after Space Reconstruction

江宜蓁 Unknown Date (has links)
近幾年,青少年在國內圖書館逐漸受到重視,臺灣許多公共圖書館分別成立規劃出青少年空間,有的是圖書館新建立的,有的是重新整建後的。由於臺灣公共圖書館目前尚未有針對圖書館規劃的青少年空間設計指南,因此本研究將從美國青少年圖書館服務學會出版的〈國家青少年空間指南〉作為公共圖書館在規劃青少年空間的參考依據。希望能了解青少年使用專屬空間的需求與滿意度,規劃出我國青少年空間設計指南,除了提供公共圖書館未來在規劃青少年專屬空間時的參考依據,也能讓圖書館更加重視青少年族群之需求,規劃出更為完善的服務,提高青少年對公共圖書館青少年空間的滿意度,吸引更多潛在的青少年使用者利用圖書館。本研究之研究目的為:(1)探討青少年需求與圖書館青少年空間設計原則;(2)探討青少年對圖書館專屬空間之使用情形與滿意度;(3)探討青少年使用圖書館專屬空間的滿意度影響因素;(4)探討青少年空間改造後的成效。 本研究透過深度訪談及問卷調查探討青少年利用公共圖書館專屬空間之需求與情形,以及其對專屬空間之滿意度與影響因素,建構出四構面28項指標,作為公共圖書館未來在規劃與評估青少年專屬空間時的參考。本研究提出之研究結論如下:(1)最多青少年閱讀的課外讀物類型為小說、漫畫與期刊/雜誌;最多青少年喜愛的資訊主題為休閒娛樂、流行文化與旅遊;(2)青少年每月平均閱讀課外讀物的數量以1-2本最多;平均閱讀時間以1-2小時為主;最多人閱讀課外讀物原因為個人興趣、打發時間、休閒娛樂;(3)青少年使用圖書館的頻率以每週一次最多;使用圖書館青少年空間的頻率以每月至少一次最多;使用青少年空間的原因多為讀書自修或準備考試、閱讀與借閱書籍、環境舒適;(4)青少年最常使用的書籍主題以小說、漫畫、文學/散文為主;最常使用設施與服務為閱讀桌椅與沙發;(5)四館青少年認為青少年空間最重要的服務前五名為滿足我安靜閱讀學習、光線照明充足、安全的場所、乾淨舒適、書籍陳列方式讓我容易找到、書籍種類及數量滿足我的需求;(6)分析四館青少年最滿意的服務項目前五名,發現四館青少年皆滿意青少年為安全的場所、及時找到館員協助;四館青少年皆不滿意青少年空間提供的娛樂項目與飲食需求,以及進行藝術創作;(7)透過四象限圖分析,四館使用者皆迫切需要改善的項目為書籍陳列方式讓我容易找到;(8)28項指標中,尤其在青少年空間的規劃與設計,國中皆較高中(職)認為重要;國資圖使用者特別在青少年空間滿足我飲食需求較其他三館認為重要;(9)級別與館別是影響青少年空間使用滿意度的因素之一;(10)與2012年朱懿幰以及2013強美玟的研究比較,整體來看發現青少年仍希望青少年空間能滿足其在安靜閱讀學習與社交的需求。埔里鎮立圖書館青少年對於空調、閱讀桌椅、資訊查詢仍感到不滿意;(11)四館青少年對圖書館空間改造後感到滿意。 針對本研究的結論,提出以下幾點建議:(1)四間圖書館皆應加強青少年空間的書籍陳列方式;(2)國立臺灣圖書館應重新審視青少年空間提供的環境動線與空間設計;(3)新北市青少年圖書館應加強改善青少年空間的隔音設備,確保能滿足不同使用者的需求;(4)國立公共資訊圖書館應加強青少年空間網路的穩定性;(5)埔里鎮立圖書館應加強青少年空間的空調溫度。 / In recent years, young adults are getting increasingly attention in Taiwan’s libraries. Many public libraries in Taiwan have set up space for young adults, some of which are newly established, and some are re-established. Because there are not space design guidelines about library arrangement for young adults in the public libraries in Taiwan, this research will be based on “The National Teen Space Guidelines,” published by Young Adult Library Services Association in America to arrange young adult spacein public libraries in Taiwan. This study hopes to understand the needs and satisfaction of young adults using young adult space, and to contribute to space design guidelines for young adults in Taiwan's libraries. In addition, this study hopes to provide reference of future arrangement of young adults’ space to public libraries, and to let libraries turn more attention to the needs of young people, and design more comprehensive services to gain young people's satisfaction and to attract more potential young people to use library. The main purposes of the research are as follows: (1) to investigate young adults’ needs and establish principles behind young adult space in libraries; (2) to inquire into satisfaction and circumstances of young adult readers using young adult space in libraries; (3) to investigate the influencing factors behind young adults’ satisfaction with young adult space in libraries; (4) to investigate the effect of the reformation of young’s space. Through questionnaires and interviews, this study investigates young adults’ needs and usage of young adult space in public libraries, their satisfaction with young adult space, and influencing factors behind their satisfaction with young adult space to build four dimensions including 28 indicators for reference to future design of young adult space in public libraries. The statistical analyses of the retrieved questionnaires indicate the following conclusions: (1) the types of books young adults read most frequently are novels, comics and journals/magazines; their favorite topics are recreation, popular cultures and tourism; (2) teenagers usually read two books for extracurricular reading monthly; their average reading time is one or two hours; most of their purposes are personal interests, killing time, and entertainment. (3) the frequency of young adults' use of libraries is once a week; the frequency of young adults' use of young adult space is once a month; the reasons for young adults using young adult space are self-studying or preparing for examinations, reading and borrowing books, and its comfortable environment; (4) the categories of books young adults read most frequently mainly are fiction, comics, and literature/prose; the mostly-used facilities and services are reading tables and sofas; (5) the top five satisfaction items among the four public libraries are “It can satisfy my needs of reading/learning without any disturbance,” “It can provide sufficient light,” “It is a safe, clean and comfortable place,” “Its book arrangement lets me easily find books,” and “The categories and quantity of books can meet my needs.” (6) The analysis of the top five satisfactory services shows that teenagers of the four libraries unanimously agree with the items of “It is a safe place,” and “I can seek help from librarians in time;” on the other hand, they are unanimously unsatisfied with the recreation service, dining space as well as artistic creation; (7) through the four-quadrant map analysis, users of four libraries are in urgent need of the improvement in the item “Its book arrangement lets me easily find books.” (8) among the 28 indicators, junior high school students consider “plan and design of young adult space” more important than senior ones; users of young adult space in National Library of Public Information especially think “It meets my dining needs” more important than users of the other three libraries; (9) "different levels of school and different libraries" is one of the factors that influences the satisfaction of young adults; (10) compared with the study of Chu, Yi-Hsien (2012) and Chiwang, Mei-Wen (2013), teenagers generally hope that young adult space can meet their requirement for studying without any disturbance and socializing. Teenagers in Puli Library are still unsatisfied with air conditioning, reading tables and chairs, and searches for information; (11) teenagers in four libraries are all satisfied with the library space after rearrangement. According to the conclusions, the study suggests as the follows: (1) the four libraries should rearrange the displays of books in youth space; (2) National Taiwan Library should re-examine the environment and space design of its youth space; (3) New Taipei City Teenager Library should improve sound insulation of its youth space, to meet users needs; (4) National Library of Public Information should improve the stability of networks in its youth space; (5) Puli Library should reducethe temperature of its youth space.
134

圖書館統計應用於大學圖書館績效評鑑 / Study on the library statistics application to performance evaluation at university libraries

黃麗雯, Huang, Li-Wen Unknown Date (has links)
圖書館是一國文化建設的重要指標,在現今知識經濟時代中,資訊服務競爭日趨激烈且多元,面對少子化,大學圖書館應高度回應學術環境的變遷,運用營運績效來表現其在機構任務中的價值,並發展相關專業知識,以陳述圖書館對於學生學習與成功的影響。在執行績效評鑑時,國家圖書館之〈全國圖書館調查統計系統〉係為各館一致遵循,且定期提供的統計數據系統,應可利各圖書館進行營運績效評鑑之應用,同時亦能提供圖書資訊學專家或社會學家進行學術研究之參用。在績效評鑑模式上,關鍵績效指標(KPI)是用以衡量組織績效最為重要的資訊,也是績效指標範圍當中最核心的部分,可以說是引導圖書館發展方向的儀表板。 本研究目的有四:(1)探討大學圖書館績效評鑑與關鍵績效指標。(2)探討大學圖書館統計資料與績效評鑑指標的關係,以建構適合大學圖書館績效評鑑之模式。(3)探討〈全國圖書館調查統計〉支持本研究建構的大學圖書館統計支持績效評鑑模式的可行性,與績效評鑑實施的有效性。(4)探討圖書館統計是否滿足大學圖書館績效評鑑實施的需求。 為獲研究結果,本研究透過焦點團體訪談法建構成五個評鑑構面、20項重要績效指標,作為國內大學圖書館之關鍵績效指標評鑑模式之評鑑工具。為確保績效指標的可行性,經過研究者取樣國內13所大學圖書館統計調查資料,實際進行個案研究結果,獲得以下結論:(1)大學圖書館實施績效評鑑仍為少數,但各館普遍配合〈全國圖書館調查統計系統〉進行統計並如期填報。(2)本研究提出大學圖書館績效評鑑之五大構面20項重要績效指標具可行性,可做自我評鑑及檢視績效成果之用。(3)運用最佳權重和關鍵績效指標,建構出關鍵績效指標評鑑模式。(4)〈全國圖書館調查統計〉統計項目大致可滿足於大學圖書館20項重要績效評鑑指標項目。 針對所獲得的研究結果,提出三點建議:(1)國家圖書館之〈全國圖書館調查統計系統〉,與績效評鑑指標結合,透過各圖書館上傳各項統計至系統後,系統即可自動進行大數據分析,讓統計資料即時轉換為績效成果,預期將節省實施績效評鑑之時間和人力成本,提高大學圖書館全面實施績效評鑑之意願。(2)圖書館可以運用關鍵績效指標評鑑模式,透過全國大學圖書館的績效評鑑結果,進一步針對各館進行SWOT分析,訂定未來營運發展的具體可行之量化與質化目標,展現圖書館的影響價值。(3)推動大學圖書館實施績效評鑑,建立長期和完整的評鑑資料庫。 / A library is an important indicator of a country's cultural construction. In the present time of knowledge-based economy, information services are becoming increasingly competitive and diverse. In the face of a low-birth rate, university libraries have to demonstrate their value through operating performance and develop related professional knowledge in response to changes in the academic environment in order to state their influence on students’ learning and academic success. When carrying out the operating performance evaluation, university libraries may refer to the data published regularly by the Library Statistical System of National Central Library; experts or sociologists may also refer to these data in their academic study. To measure the performance of an organization, Key Performance Indicator (KPI) is the most important information and the core of all performance indicators; it can be said to be the dashboard that guides the development of a library. The research has four purposes: (1) exploring the performance evaluation and the key performance indicator of university libraries; (2) exploring the relationship between the library statistics and the performance indicator in order to build an appropriate performance evaluation model for university libraries; (3) exploring the feasibility of supporting the performance evaluation model by the university library statistics established with the support of Library Statistical System and exploring the effectiveness of implementation of performance evaluation; and (4) exploring whether the library statistics satisfy the requirements for the implementation of performance evaluation at university libraries. As to the performance evaluation model, the research has established five aspects of performance evaluation of university libraries and 20 key performance indicators through focus group. To ensure the feasibility of these performance indicators, the researcher sampled 13 university libraries’ statistics and carried out the case study. The conclusions are as follows: (1) only few university libraries carried out performance evaluation, but each university library gathered statistics and filed with the Library Statistical System as required; (2) five aspects of performance evaluation of university libraries and 20 key performance indicators proposed by the research were feasible and applicable to self-evaluation and self-review of performance results; (3) the performance evaluation model was established based on the optimum weight and key performance indicators; and (4) Statistical items of the Library Statistical System generally meet 20 key performance indicators of university libraries. Three recommendations are proposed based on the result of the research: (1) With the application of the Library Statistical System of National Central Library and performance evaluation indicators, university libraries upload the statistics to the system where data are analyzed automatically and converted into the performance results. Such application is expected to save time and labor costs of implementation of performance evaluation and increase the willingness of university libraries to implement performance evaluation; (2) Based on the KPI model and the results of performance evaluation of nationwide university libraries, university libraries may be able to carry out the SWOT analysis and set up the feasible quantitative and qualitative goals of future operation and further demonstrate their influence; and (3) university libraries are encouraged to implement performance evaluation and establish an extended and sound evaluation database.
135

探討口碑參與之意圖與行為 / Investigating the Intention and the Behavior of WOM Engagement

王翊家 Unknown Date (has links)
口碑參與的行為隨著資訊科技的進步日益流通快速,尤其是網路的普及與社群媒體的使用,讓消費者的體驗與意見能廣泛且快速地傳遞,然而目前仍然沒有一個明確的架構可以將口碑參與的動機做一個完整的敘述,同時也因為網路的普及使用,線上內容易於轉發,口碑傳遞的效果開始受到大家的關注,所以本研究以三種口碑參與行為,分別為意見給予 (Opinion Giving)、意見搜尋 (Opinion Seeking)與意見傳遞 (Opinion Passing),作為研究口碑參與的主軸,以享樂、功利與社交,這樣一個涵蓋性較廣的架構來探討口碑參與的前因,並在了解消費者的動機後,繼續深究消費者傾向於線上或線下的環境,進行口碑參與的行為,從中推敲意圖與行為間可能存在的干擾變數。 根據641份網路問卷,我們藉由因素分析得到六大動機因素,並從結構模式驗證中得知,三種口碑參與行為有不同的驅動因素,在意見給予模型中,社交性因素為首。在意見尋找模型中,產品資訊為首,最後在意見傳遞模型中,六個因素有四個因素證實有顯著影響,社交性因素為首。除此之外,三種口碑參與意圖對線上下行為都具有正向影響,雖然干擾變數皆沒有證實干擾效果,但是對於線上下行為也都具有正向影響。
136

公共圖書館電子資源支援新北市國小教學使用需求之調查研究 / A Study of Elementary School Teachers' Teaching Needs Support by Public Libraries Electronic Collection in New Taipei City

洪偉翔, Hung, Wei Shiang Unknown Date (has links)
本研究旨在探討公共圖書館電子資源對於新北市國小教師支援教學之需求,透過網站內容分析對八所國立及直轄市立公共圖書館之電子資源網站進行分析,以瞭解可支援新北市國小教師教學需求之電子資源概況,接著對十位曾使用公共圖書館電子資源融入教學中之新北市國小教師進行深度訪談,透過網站內容分析及訪談分析,本研究發現如下: 一、公共圖書館電子資源館藏方面: (一)公共圖書館電子資源種類繁多,各館資源重複者不多,且自購或自建之電子資源數量、比例,各館差距大。 (二)部分相同之電子資源於各公共圖書館網站中所列名稱及資源類型劃分略有不同。 (三)各圖書館網站之內容主題區分與國小學習領域不相符。 (四)大多公共圖書館資源數量最多的主題為「語文」與「社會」領域,而「數學」則是普遍資源數量最少的主題。 (五)公共圖書館以中文電子資源為大宗,其次是英文。 (六)國小學童學習需求差距大,公共圖書館電子資源之適用年齡大多僅以「兒童」分類。 (七)大部分公共圖書館之電子資源需要閱讀證方可使用;少部分電子資源具有取用地點限制;部分電子資源可選擇下載閱讀器方便離線閱讀。 二、國小教師使用公共圖書館電子資源的教學需求方面: (一)國小教師使用公共圖書館電子資源融入教學的因素為:「補充課程內涵與課外知識」、「增長教師專業知能,確認教學內容正確性」、「提升學生的學習興趣」、「方便好用」。 (二)新北市教師認為公共圖書館電子資源適合使用於「準備活動」與「綜合活動」。 (三)新北市教師偏好可互動、具有影音效果的電子資源,因此在課堂上經常「直接播放」公共圖書館電子資源,或輔以Powerpoint及Word重新組織成教材。 (四)新北市國小教師認為使用公共圖書館電子資源於教學的成效為:1.容易引起學生的興趣與動機;2.教師自覺更有教學效能;3.教師能夠自我成長、添增新知;4.擴大學生學習的層面;5.提升學生的學習成就。 (五)可能影響國小教師使用公共圖書館電子資源意願之因素為:1.備課時間不足;2.夥伴教師少;3.教學進度的壓力;4.電子資源內容不符合教學目標;5.電子資源可借閱量不足;6.電子資源分類方式與適用年齡不合使用;7.電子資源的檢索及取用方式不熟悉。 (六)新北市國小教師最常瀏覽新北市立圖書館電子資源,除此之外對於公共圖書館的瞭解所知甚少。 (七)「Google搜尋引擎搜尋」是獲知可使用於教學的公共圖書館電子資源之優先管道。 最後再依據訪談過程中新北教師的建議及研究的結果,提出對教育主管單位、公共圖書館、國小教師及未來後續研究的建議。 / The purpose of this study was to explore the information need of elementary school teachers in their usage of public library electronic resources for teaching in New Taipei City. The content analysis approach and in-depth interview were developed by the research. The major findings of this study are listed as follows: 1. Public libraries electronic collection: (1) There are many kinds of electronic resource in Public libraries, such as the percentage of procurement electronic collection. (2) The same electronic resource were classified to different resource type by different library. (3) The most subject of electronic resource is “Mandarin” and ” Social Studies”in Public library. The less subject is “Mathematics”. (4) The amount of Chinese electronic is more than English. 2. The information need of elementary school teachers in their usage of public library electronic resources for teaching: (1) The factor of using public library electronic resources for teaching is that using as supplementary teaching materials, enhancing the professional knowledge and skills of teachers, lifting the student’s learning interest. (2) Public library electronic are Suitable for “Warm up” and “Wrap up” activities. (3) The elementary school teachers prefer using interactive electronic resource. (4) The negative factors of elementary teacher use electronic resource in teaching is about to be short of time, partner…etc. (5) Google have high priority in searching public library electronic resources for teaching. Accroding to the research finding, there are some suggestions for educational administration, public library, elementary school teachers and follow-up research.
137

「民族晚報」「大華晚報」加強競爭前、後的內容分析

王石番, Wang, Shi-Fan Unknown Date (has links)
第一章緒論 第一節報業競爭的意義 第二節「民族晚報」和「大華晚報」的簡史 第三節研究重心與假設 第四節研究方法 第二章新聞內容的分析 第一節新聞的分類及其範疇 第二節競爭加強前的「民族晚報」和「大華晚報」 第三節競爭加強後的「民族晚報」和「大華晚報」 第三章軟性新聞標題和新聞圖片的分析 軟性新標題的分析 第一節競爭加強前的「民族晚報」和「大華晚報」 第二節競爭加強後的「民族晚報」和「大華晚報」 新聞圖片的分析 第三節競爭加強前的「民族晚報」和「大華晚報」 第四節競爭加強後的「民族晚報」和「大華晚報」 第四章比較 第一節「民族晚報」、「大華晚報」加強競爭前、後新聞內容的比較 第二節「民族晚報」、「大華晚報」加強競爭前、後軟性新聞標題的比較 第三節「民族晚報」、「大華晚報」加強競爭前、後新聞圖片的比較 第四節「民族晚報」、「大華晚報」加強競爭後的同異點 第五章結論
138

金錢與選舉動員

江肇國 Unknown Date (has links)
金錢與選舉動員的關係是個引人好奇卻難以有系統研究的問題。在國外的文獻中,研究者大多以候選人競選經費與選舉得票的關係來測量金錢動員的影響力。但在台灣的選舉制度與文化下,選舉長期流傳著候選人買票的報導,這種直接以金錢影響選民投票的動員策略,是探討台灣選舉時更須重視的問題。因此,本研究欲針對台灣金錢動員的核心—買票行為進行討論,試著解答的問題為:候選人在選舉中到底如何買票?買票效果究竟如何?反過來說,不買票又會有什麼影響呢? 本文為單一個案研究。研究方法上採用參與觀察法與深度訪談法來探討候選人買票策略的制訂與執行;另外嘗試以量化分析與準實驗設計來補強訪談式的研究資料。其中量化分析以數據呈現候選人歷次的買票效果,並進一步檢視影響買票效果高低的因素。準實驗設計法則試著找出在買票不買票情況下,候選人競選方式有何差異,並借用政治版圖概念來測量買票與不買票對候選人得票的影響。 綜合全文討論發現:在候選人的買票行為上,候選人買票模式的決定會受到競選條件、選區特性、選情評估等因素影響。本文個案選擇傳統式的買票方式。此運作以候選人的人際圈為出發點,逐次納入他人的人際圈,最後擴展成一個買票系統,無論報票、發錢、催票都是透過這個網絡進行。由於買票是透過無數的小樁腳,累積小量選票來達成原先設定的買票成數;因此,重布樁腳、每樁少票是此類買票方式的主要特徵。 在買票效果上,影響買票效果的因素包括:買票模式、買票運作、樁腳類型、選區環境等。其中政治型樁腳比例、無交情樁腳比例、選區地緣因素三項變數對於買票效果的高低影響最大。值得一提的是,在買票模式、樁腳數目、樁腳負責票數等變數上,候選人認為有效的策略與量化分析的結果不盡相同。此顯示研究個案的買票策略仍有調整的空間。 買票與不買票的觀察可分為三部分,首先是競選策略的轉變。研究個案曾表示不買票後最大的難題即在於:不知道票從哪裡來。此時,過去不熟悉的競選方式(如:文宣廣告)和未曾開發的票源(如:年輕人)都成了競選的重點。其次,在選票的變動上,平均來說,不買票後約有七成左右的里得票表現下降,三成的里得票提升。但無論是得票流失或增加,近九成的里選票變動都在5%左右。最後,在選票版圖的比較上可知:核心地盤與環心地盤的買票效益相對較低。候選人在這兩區所得到的選票也以「關係票」為主,「金錢票」較少。相反地,在指標地盤與盤外地區,候選人的選票大多是「金錢票」,一旦不買票,選票的流失程度相當嚴重。
139

台灣DRAM產業上市櫃公司投資價值之研究

陳昇裕 Unknown Date (has links)
台灣DRAM產業隨著國內幾座12吋廠的陸續加入營運,即將在全球DRAM產業中扮演舉足輕重的角色。就DRAM產業本身而言,由於期初廠房投資所需的金額非常高,能否藉由大量的銷貨以達成規模經濟,是產業內各公司能否獲利的關鍵因素。除此之外,產業內各公司也致力於提昇產品良率以及先進製程的研發。 本研究以華邦電、南科、力晶、茂德等四家公司為樣本,依其2001年至2004年之財務報表作為預估個案公司未來成長率及獲利率的依據,利用現金流量折現法採銷售導向及盈餘導向二種模式,依最樂觀、最可能發生與最悲觀等三種情境,估算其價格區間,並與個股目前之實際股價相比較,以推論目前股價的合理性及目前股價可能隱含的銷售成長率及盈餘成長率,另以敏感性分析將各個評價因子繪製成龍捲風圖來觀察個別關鍵評價因子對股價的影響程度。 實證結果顯示,華邦電、南科、力晶、茂德之股價合理區間分別為2.6元-22.41元、17.61元-45.09元、13.44元-32.70元、6.46元-19.07元。另在敏感度分析上,發現所有公司受銷售額成長率的影響最大。最後根據研究結果,再針對投資人、上市櫃公司以及後續研究者提出建議。
140

台灣輪胎業上市櫃公司投資價值研究

劉惠傑 Unknown Date (has links)
自米其林公司發明了世界第一條輻射輪胎以來,輪胎產業就伴隨著現代交通的興起而蓬勃發展。輪胎業是指以橡膠、金屬為原料,經加工、製造工程,以供自行車、機車、汽車等各種運輸工具上使用為目的的工業;而在輪胎的產製上,除了必須投入龐大的資金與設備之外,尚須具備相當精密的生產技術,故實屬進入障礙高的產業型態。 本研究主要以南港、華豐、正新、泰豐、建大等五家上市公司為樣本,依其2002年至2006年之財務報表做為預估個案公司未來成長率及獲利率的根據,利用現金流量折現法,並以銷售導向及盈餘導向二種模式,依照最樂觀、最可能發生與最悲觀等三種情境,估算其實質價格區間,並與個股實際股價比較,以推論目前股價合理性以及目前股價隱含的銷售成長率及盈餘成長率,另以敏感性分析將各個評價因子繪製成龍捲風圖來觀察個別關鍵評價因子對股價的影響程度。 實證結果顯示,南港、華豐、正新、泰豐、建大的股價合理區間分別為30元-109元、2元-41元、15元-36元、16元-61元、13元-59元。另外,在敏感度分析上,經由各個案公司的龍捲風圖得知,南港、泰豐易受邊際利潤率,盈餘成長率影響而建大、華豐、正新易受銷售成長率影響。 關鍵字:企業評價、輪胎業、龍捲風圖、關鍵成功因素。

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