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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.
71

Untersuchungen zur Neuverteilung der Rücklaufflüssigkeit in Packungskolonnen

Bartlok, Guido 17 November 2002 (has links) (PDF)
Bei der Rektifikation werden heute zunehmend Füllkörperkolonnen mit geordneten Packungen eingesetzt. Die Maldistribution, ein bislang ungelöstes Problem in Füllkörperkolonnen, wirkt sich negativ auf die Stoffaustauschleistung aus. Zur Verringerung der Maldistribution wird zwischen den Packungssektionen mehrfach die Rücklaufflüssigkeit gesammelt und erneut gleichmäßig über den Kolonnenquerschnitt verteilt. Diese Neuverteilung realisieren Zwischenverteiler, die somit einen Großteil der Kolonnenhöhe beanspruchen und damit die Investitions- und Betriebskosten erheblich erhöhen. Hauptursache für die Bauhöhe der Zwischenverteiler ist der Wunsch nach einem vollständigen Konzentrationsausgleich vor der Neuverteilung. Um die Kolonnenhöhe zu verringern und dennoch die gleiche Trennleistung zu erreichen, mangelt es den Anlagenbauern bislang an einer praktikablen Lösung. Entgegen der bisherigen Lehrbuchmeinung wird in dieser Arbeit die Bedeutung des vollständigen Konzentrationsausgleich grundsätzlich in Frage gestellt. Es erfolgen deshalb theoretische und experimentelle Untersuchungen für ein besseres Verständnis der Neuverteilung der Rücklaufflüssigkeit und deren Auswirkung auf die Trennleistung. Durch Modifizierung des klassischen Zwei-Kolonnen-Modells gelingt es, den Einfluss der Maldistribution, der Dampfquervermischung und der hydraulisch gleichmäßigen Flüssigkeitsneuverteilung mit und ohne vollständigen Konzentrationsausgleich numerisch zu simulieren. Die Überprüfung der Simulationsmodelle erfolgt an einer Pilotkolonne mit einem inneren Durchmesser von 1 m. Die Kolonne ist mit Sulzer MellapakPlus 752.Y ausgerüstet und als Testgemisch dient trans-/cis-Dekalin. Im Ergebnis zeigt sich, dass vor allem der hydraulische Ausgleich erforderlich ist und es praktisch keinen Unterschied zwischen vollständigen und unvollständigen Konzentrationsausgleich bei sonst gleichen Betriebsbedingungen gibt. Überlegungen für deutlich flachere Verteilerkonstruktionen werden vorgestellt.
72

Vývoj knižních trhů s důrazem na vývoj internetu včetně konceptu e-book (vztah nakladatel - knižní distributor - knihkupectví) / The book market development with an emphasis on the internet development including the concept of an e-book (relationship of a publisher - book distributor - bookseller)

Váňová, Miloslava January 2014 (has links)
The thesis is dedicated to the changes of the book market between its entities, libraries and final consumer of information (readers, library users) after the arrival of the internet. Development of the internet has brought searching of the new business models and opportunities for cooperation. Electronic publishing that, along with the internet availability, commenced to raise is the starting factor for the development of electronic books. The thesis outlines the roles of individual entities of the book market, i.e. publisher and seller (distributor, book-seller and digital platform) and libraries during the production, sale and accessing books with the focus on electronic books. After description of used terminology, especially different approaches to the definition of "an e-book", the next chapter presents hardware devices and software programs that enable reading e-books. The third chapter introduces the role of a publisher in the process of publishing printed and electronic e-books. The aim of the chapter is to highlight different strategies of processing the printed and electronic text, incl. possibilities of self-publishing which gives new possibilities to the author's hands. The fourth chapter describes distribution and sale of printed and mainly electronic books and also defines the new...
73

Untersuchungen zur Neuverteilung der Rücklaufflüssigkeit in Packungskolonnen

Bartlok, Guido 01 July 2002 (has links)
Bei der Rektifikation werden heute zunehmend Füllkörperkolonnen mit geordneten Packungen eingesetzt. Die Maldistribution, ein bislang ungelöstes Problem in Füllkörperkolonnen, wirkt sich negativ auf die Stoffaustauschleistung aus. Zur Verringerung der Maldistribution wird zwischen den Packungssektionen mehrfach die Rücklaufflüssigkeit gesammelt und erneut gleichmäßig über den Kolonnenquerschnitt verteilt. Diese Neuverteilung realisieren Zwischenverteiler, die somit einen Großteil der Kolonnenhöhe beanspruchen und damit die Investitions- und Betriebskosten erheblich erhöhen. Hauptursache für die Bauhöhe der Zwischenverteiler ist der Wunsch nach einem vollständigen Konzentrationsausgleich vor der Neuverteilung. Um die Kolonnenhöhe zu verringern und dennoch die gleiche Trennleistung zu erreichen, mangelt es den Anlagenbauern bislang an einer praktikablen Lösung. Entgegen der bisherigen Lehrbuchmeinung wird in dieser Arbeit die Bedeutung des vollständigen Konzentrationsausgleich grundsätzlich in Frage gestellt. Es erfolgen deshalb theoretische und experimentelle Untersuchungen für ein besseres Verständnis der Neuverteilung der Rücklaufflüssigkeit und deren Auswirkung auf die Trennleistung. Durch Modifizierung des klassischen Zwei-Kolonnen-Modells gelingt es, den Einfluss der Maldistribution, der Dampfquervermischung und der hydraulisch gleichmäßigen Flüssigkeitsneuverteilung mit und ohne vollständigen Konzentrationsausgleich numerisch zu simulieren. Die Überprüfung der Simulationsmodelle erfolgt an einer Pilotkolonne mit einem inneren Durchmesser von 1 m. Die Kolonne ist mit Sulzer MellapakPlus 752.Y ausgerüstet und als Testgemisch dient trans-/cis-Dekalin. Im Ergebnis zeigt sich, dass vor allem der hydraulische Ausgleich erforderlich ist und es praktisch keinen Unterschied zwischen vollständigen und unvollständigen Konzentrationsausgleich bei sonst gleichen Betriebsbedingungen gibt. Überlegungen für deutlich flachere Verteilerkonstruktionen werden vorgestellt.
74

電子零件通路商在非直販模式下的訂單決策研究-以ABC公司為例 / The Study of Order Decisions under Indirect Selling Model of an Electronic Component Distributor-taking ABC Company as an Example

蕭博修, Hsiao, Po Hsiu Unknown Date (has links)
電子零件通路商在電子零件產業中扮演協調的角色,需要調解上游供應商與下游顧客,減少市場供給與需求間的差距。ABC公司,為亞洲市場數一數二的電子零件通路商,負責企業間的配銷工作,在整體供應鏈中具有緩衝的作用。 ABC公司有兩個主要的銷售模式:非直販與直販模式。兩者差異在於負責訂單管理流程中的角色不同。非直販模式有兩個主要角色:銷售員Sales與產品經理PM (Product Managers)。Sales需負責將產品售出,而PM則負責訂單的達交、履行。而直販模式則只需PM來處理所有訂單或銷售相關的業務。在非直販模式下,Sales的訂單需要經由PM審核通過才算成立。而在訂單要求被拒絕的同時可能造成兩者間的衝突產生。Sales傾向盡可能的銷售較多的產品來達到預期的目標,而PM則需顧慮相應訂單產生的剩餘產品所造成的庫存水準提升的風險。這種情況在訂單履行的問題中非常常見。一般來說,公司會考量訂單達交的預算,包含為了完成此筆訂單的其他成本,如額外的附加運送成本,而Sales通常會被鼓勵採用“Sell what you have”的銷售策略來販售產品以避免額外的庫存產生。 為此,本研究想得知電子零件通路商如何在非直販模式下作訂單決策,釐清它的訂單流程並進一步瞭解影響訂單決策的重要因素。本研究採用訪談作為主要研究方法,透過與與個案公司的Sales與PM的訪談,整理了在非直販模式下的訂單流程與不同的訂單履行策略。本研究成果可幫助企業瞭解非直販模式的接單流程,以及決策所需考量的變數與其影響,有助於提升企業的知識管理功能。
75

電視購物產業關鍵成功因素之研究

曾麗心, Tsang, Li-hsin Unknown Date (has links)
電視購物在國外行之有年,美國、韓國的電視購物業者更是大規模經營,市場也相當成熟。近年來,我國電視購物產業也逐漸發達和進步,其原因包括了隨著有線電視產業之成熟、網際網路發達、虛擬交易的興起、以及數位電視的推動等。 本研究採取質化研究之個案研究法,首先介紹美國QVC公司、韓國電視購物、以及中國大陸電視購物,說明各國電視購物產業發展現況,並透過深入訪談介紹國內企業東森得易購、富躍購物、以及即將進軍電視購物產業之統一集團,作為現有業者、新進業者、以及潛在進入者之代表個案。 本研究歸納電視購物的關鍵成功因素為無形資產類、有形資產類、與組織能力三類,這些優勢均具有不易模仿與不易轉移的特點,且對企業維持長久的競爭優勢有顯著的影響,說明如下。 一、無形資產類 (1) 品牌聲譽:包括電視購物業者本身的品牌聲譽以及所銷售產品之品牌聲譽,品牌有助於提升消費者對電視購物的信心。(2) 供應商關係: 電視購物業者與供應商之間必須建立緊密的共存合作關係,使新進者無法取代。 二、有形資產類 (1) 掌握具寡佔特性的頻道資源:由於國內頻道空間有限,因此電視購物業者可透過垂直整合達成通路之寡佔,構成強大的議價力與利益交換空間。(2) 集團資源:此點特別是有形之資金與子公司間的合作效益,既可創造內部市場,同時還可以帶來交叉銷售、資源共享等利益。(3) 規模經濟:電視購物產業之規模經濟來自於有線電視系統、商品進貨量、節目製作、客戶服務中心、物流系統、資訊系統等。 三、組織能力類。(1) 產品與服務之創新能力:隨著產業競爭日益激烈,加上業者彼此模仿挖角,因此業者必須致力於產品和服務的創新,形成差異化才能維持市場領導地位。(2) 價值活動整合能力:電視購物業者無論是自行整合或是透過與價值鏈上下游廠商策略聯盟,都必須具備良好的價值活動整合能力,透過具有人才或是策略聯盟等,可有效創造垂直整合的優勢。 本研究之貢獻在於借鏡國外個案以及整理國內業者之經營型態,歸納出具系統性的關鍵成功因素,無論是現有業者或是新進業者均可參考。但由於關鍵成功因素會隨著產業生命週期變化,本研究完成於國內電視購物產業之成長期,現有業者與新進者之間的競爭態勢尚未底定,產業結構也持續變動。故此,後續研究限制如下:一、產業持續變動。二、 國內成功業者有限。三、廣電三法持續修正,產業生態多有變數。四、數位電視方興未艾,勢將帶動下一波產業發展。
76

Hidrodinamika i prenos mase u airlift reaktoru sa membranom / Hydrodynamics and mass transfer of an airlift reactor with inserted membrane

Kojić Predrag 20 May 2016 (has links)
<p>U okviru doktorske disertacije izvedena su eksperimentalna istraživanja osnovnih hidrodinamičkih i maseno-prenosnih karakteristika airlift reaktora sa spoljnom recirkulacijom sa ugrađenom vi&scaron;ekanalnom cevnom membranom u silaznu cev (ALSRM). ALSRM je radio na dva načina rada: bez mehurova u silaznoj cevi (način rada A) i sa mehurovima u silaznoj cevi (način rada B) u zavisnosti od nivoa tečnosti u gasnom separatoru. Ispitivani su uticaji prividne brzine gasa, povr&scaron;inskih osobina tečne faze, tipa distributora gasa i prisustva mehurova gasa u silaznoj cevi na sadržaj gasa, brzinu tečnosti u silaznoj cevi i zapreminski koeficijent prenosa mase u tečnoj fazi u ALSRM. Rezultati su poređeni sa vrednostima dobijenim u istom reaktoru ali bez membrane (ALSR). Sadržaj gasa u uzlaznoj i silaznoj cevi određivan je pomoću piezometarskih cevi merenjem hidrostatičkog pritiska na dnu i vrhu uzlazne i silazne cevi. Brzina tečnosti merena je pomoću konduktometrijskih elektroda dok je zapreminski koeficijent prenosa mase dobijen primenom dinamičke metode merenjem promene koncentracije kiseonika u vremenu optičkom elektrodom. Eksperimentalni rezultati pokazuju da sadržaj gasa, brzina tečnosti i zapreminski koeficijent prenosa mase zavise od prividne brzine gasa, vrste alkohola i tipa distributora gasa kod oba reaktora. Vi&scaron;ekanalna cevna membrana u silaznoj cevi uzrokovala je povećanje ukupnog koeficijenta trenja za 90% i time dovela do smanjenja brzine tečnosti u silaznoj cevi do 50%. Smanjena brzina tečnosti u silaznoj cevi povećala je sadržaj gasa do 16%. Predložene neuronske mreže i empirijske korelacije odlično predviđaju vrednosti za sadržaj gasa, brzinu tečnosti i zapreminski koeficijent prenosa mase.</p> / <p>An objective of this study was to investigate the hydrodynamics and the gas-liquid mass transfer coefficient of an external-loop airlift membrane reactor (ELAMR). The ELAMR was operated in two modes: without (mode A), and with bubbles in the downcomer (mode B), depending on the liquid level in the gas separator. The influence of superficial gas velocity, gas distributor&rsquo;s geometry and various diluted alcohol solutions on hydrodynamics and gas-liquid mass transfer coefficient of the ELAMR was studied. Results are commented with respect to the external loop airlift reactor of the same geometry but without membrane in the downcomer (ELAR). The gas holdup values in the riser and the downcomer were obtained by measuring the pressures at the bottom and the top of the riser and downcomer using piezometric tubes. The liquid velocity in the downcomer was determined by the tracer response method by two conductivity probes in the downcomer. The volumetric mass transfer coefficient was obtained by using the dynamic oxygenation method by dissolved oxygen probe. According to experimental results gas holdup, liquid velocity and gas-liquid mass transfer coefficient depend on superficial gas velocity, type of alcohol solution and gas distributor for both reactors. Due to the presence of the multichannel membrane in the downcomer, the overall hydrodynamic resistance increased up to 90%, the liquid velocity in the downcomer decreased up to 50%, while the gas holdup in the riser of the ELAMR increased maximally by 16%. The values of the gas holdup, the liquid velocity and the gas-liquid mass transfer coefficient predicted by the application of empirical power law correlations and feed forward back propagation neural network (ANN) are in very good agreement with experimental values.</p>
77

台灣半導體通路商發展策略之研究 / A study on the development strategies of semiconductor distributors of Taiwan

林奕良, Lin, Yi Liang Unknown Date (has links)
通路商在「供應鏈」的角色,除了必須發揮原廠與客戶端中間橋樑之基本功能以外,尚須面對外部競爭及內部營運績效提昇之考驗。在面臨內外在環境的衝擊及市場的激烈競爭,通路商如何發展其競爭策略來厚植其競爭力,謀求生存利基,是一值得探討的問題。 本研究主要目的是在探討台灣半導體通路商之發展策略,透過對於國內有效問卷之180家通路商作分析,經有系統的收集與整理資料後,利用隨機效果的橫斷時間序列資料迴歸模式分析,結果顯示: 一、組織績效正差會增加通路商對於新產品與新客戶開發的發展策略。 二、組織績效負差會增加通路商對於新產品開發的發展策略,但減少新客戶開發。。 三、領導者的認知度需求度對於新產品與新客戶開發的發展策略有負向影響。 四、領導者的冒險傾向對於新產品與新客戶開發的發展策略有正向影響。 五、領導者的認知需求度對於績效差與新產品開發有調節效果。 六、領導者的冒險傾向對於績效差與新產品開發有調節效果。 / The role of distributor, basically, not only supply chain management but also “bridge” between suppliers and customers, Meanwhile, they encounter external competition as well as challenge of internal performance improvement. Beset by difficulties both at home and abroad as well as fierce competition, distributors need to modify their competition strategies in order to enhance their competitiveness and chip in the niche category they can rely on. It is worthwhile to understand how the semiconductor distributors in Taiwan keep their competitive capability under the challengeable situations. The aim of this study is to investigate the development strategy of Taiwanese small and medium distributors who exclusively manage semiconductor products. After the collection of 180 leader-company dyadic data, this study utilized the random-effects panel regression models to examine the hypotheses. The results showed: 1. The positive difference between organizational performance and past performance increased distributors’ development strategies of new product and new customer exploration. 2. The negative difference between organizational performance and past performance increased distributors’ development strategies of new product exploration but decrease new customer exploration. 3. Top leaders’ need for cognition had negative effect on both of new product and new customer exploration of development strategy. 4. Top leaders’ risk-taking propensity had positive effect on both of new product and new customer exploration of development strategy. 5. The need for cognition of a top leader had moderating effects on the relationships between performance differences and new product development. 6. The risk-taking propensity of a top leader had moderating effects on the relationships between performance differences and new product development.
78

日系液晶顯示器關鍵材料廠商在台灣市場之策略行銷分析: 以4C架構分析 / Strategic marketing 4C analysis of Japanese LCD key component’s materials manufacturers in the Taiwan market

松岡志保, Matsuoka Shiho Unknown Date (has links)
TFT-LCD(薄膜電晶體液晶顯示器)是台灣全力發展的重點產業。TFT-LCD 產業特徵是專業分工產業,LCD產業價值鏈可分成上游材料廠商、中游面板廠商、下游應用廠商。主要的上游零件及材料包括玻璃基板(glass substrate)、彩色濾光片(color filter)、偏光板/膜(polarizer)、背光模組(backlight module)、驅動IC(Driver IC)、配向膜(alignment layer)。 LCD面板生產所需要的這些原材料占面板生產總成本的70%以上。對面板製造商來說,透過整合減少成本成為一個重要的議題。許多面板的關鍵零組件是設計導入(design in)的產品,對於面板設計,需要配合製造商的要求和規格。所以面板廠商和關鍵零組件廠商之間的快速溝通和反應是非常重要。 目前部分材料是從國外進口的,其中配向膜是日商擁有90%的市佔率。雖然LCD面板成本結構中的比重不高,但是液晶配向膜是決定液晶顯示器面板品質的關鍵材料。主要的配向膜廠商分別是日產化學和JSR。雙方都是日商的化學公司。JSR是2005年投入台灣市場,設立JSRmicro(台灣捷時雅邁科股份有限公司),日產化學則是2010年才進入台灣市場。而且日產化學是液晶配向膜的先鋒者,10年前的市占率大約80%,但是今年降低到50%。日產化學進來台灣時,透過日系綜合商社來交易。而JSR在台灣則是透過台灣的中間商(華立通路商)來交易。 本研究以日系液晶顯示器關鍵材料配向膜廠商「台灣日產化學」為實例,進行專業訪談。探討台灣日產化學之中游面板廠商的產業鏈,並希望運用邱志聖(2010)之策略行銷4C架構分析,進行深入探討日產化學在台灣市場中,如何降低台灣LCD面板廠商的交易成本包含外顯單位效益成本、資訊搜尋成本、道德危機成本、專屬陷入成本,進而了解此公司的競爭優勢,繼而進行跟競爭對手的4C成本比較分析,提供個案公司建議。 本研究目的為了解: 1.日產化學跟客戶之間的4C關係 2.日產化學與通路商之間的關係 3.日產化學跟競爭對手(JSR)的作法比較 研究結果發現: 1.中間商的選擇、數量、提供的產品種類多寡,以及中間商提供的服務都會影響到日產化學對面板廠商的交易成本。 2.相同產業內供應商提供的產品種類多寡會影響到對面板廠商以及中間商的交易成本。 3.製造商之知名度的高低會影響到中間商的選擇權力。 / TFT-LCD (thin film transistor liquid crystal display) is one of the key industries in Taiwan. TFT-LCD industry is characterized as a specialization industry. The LCD industry value chain can be divided into upstream materials manufacturers, the midstream panel manufacturers, and downstream application vendors. Upstream material parts include glass substrate, color filter, polarizer film, backlight module, the driver IC, and alignment layer. These essential components needed in LCD panel production account for more than 70% of the total cost in panel production. Therefore an important issue for panel makers is to reduce costs through integration. As many of the key components of the panel is the “design in product”, which need to be designed according to manufacturer's requirements and specifications, rapid communication and response between panel manufacturers and key components manufacturers is very important. Some materials are imported from abroad; Japanese companies have 90% market share in the alignment film market. Although the proportion of the cost structure of the LCD panel is not high, but the alignment layer is the key material to determine the quality of liquid crystal display panel. Two main alignment film makers are Nissan Chemical and JSR. They both are Japanese chemical companies. JSR devotes into Taiwanese market in 2005, and established JSRmicro. Nissan Chemical started its business in Taiwan at 2010, by establishing Taiwan Nissan Chemical. Nissan Chemical is the pioneer in liquid crystal alignment film and once had approximately 80 percent of market share 10 years ago, but it has declined to 50% as of now. Nissan Chemical transact through Japanese Sogo Shosha in Taiwai. JSR transact through Taiwanese intermediaries (Wahlee distributor) in Taiwan. In this study, Japanese liquid crystal alignment layer manufacturer Taiwan Nissan Chemical were professionally interviewed, then explored between Taiwan Nissan Chemical and the panel manufacturers’ industry chain. This study will also apply strategic marketing 4C framework for analysis, then conduct an in-depth investigation on how Taiwan Nissan Chemical reduces transaction costs for Taiwan LCD panel manufacturers, illustrate the company's competitive advantage through the transaction costs analysis, including buyer utility cost, information searching cost, moral hazard cost, and asset specificity cost, and lastly compare with the competitor’s transaction cost. The purposes of this research are: 1. The 4C relationship between Nissan Chemical and the client 2. The relationship between Nissan chemical and the distributors 3. The 4C comparison between Nissan Chemical and the competitor (JSR) The results of study show that: 1. A choice of intermediaries, the number of intermediaries, the number of product that intermediaries offer, and the services intermediaries provide will affect the transaction costs of Nissan Chemical for panel makers. 2. The product range provided by the suppliers within the same industry would affect the transaction costs of panel makers and intermediaries, 3. The well-known level of the manufacturer will affect the power of choice for intermediaries.
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Location based authenticated multi-services group key management for cyber security in high speed broadband wireless multicast communications : multi-service group key management scheme with location based handover authentication for multi-handoffs participating in multi-group service subscriptions, its performance evaluation and security correctness in high speed broadband wireless multicast communications

Mapoka, Trust Tshepo January 2015 (has links)
Secure information exchanges over cyberspace is on the increase due to the convergence of wireless and mobile access technologies in all businesses. Accordingly, with the proliferation of diverse multicast group service subscriptions that are possible to co-exist within a single broadband network, there is also huge demand by the mobile subscribers to ubiquitously access these services over high speed broadband using their portable devices. Likewise, the Network Providers (NPs) invest hugely in infrastructure deployment to disseminate these services efficiently and concomitantly. Therefore, cyber security in any business is obligatory to restrict access of disseminated services to only authorised personnel. This becomes a vital requirement for a successful commercialisation of exchanged group services. The standard way to achieve cyber security in a wireless mobile multicast communication environment is through confidentiality using Group Key Management (GKM).The existing GKM schemes for secure wireless multicast from literature only target single group service confidentiality; however, the adoption of multiple group service confidentiality in them involve inefficient management of keys that induce huge performance overheads unbearable for real time computing. Therefore, a novel authenticated GKM scheme for multiple multicast group subscriptions known as slot based multiple group key management (SMGKM) is proposed. In the SMGKM, the handovers move across diverse decentralised clusters of homogeneous or heterogeneous wireless access network technologies while participating in multiple group service subscriptions. Unlike the conventional art, the SMGKM advances its security by integrating location based authentication and GKM functions. Both functions are securely offloaded from the Domain Key Distributor (DKD) to the intermediate cluster controllers, Area Key Distributors (AKDs), in a distributed fashion, using the proposed location based authenticated membership list (SKDL). A significant upgrade of fast handoff performance with reduced performance overheads of the SMGKM scheme is achieved. The developed numerical analysis and the simulation results display significant resource economy in terms of reduced rekeying transmission, communication bandwidth and storage overheads while providing enhanced security. The performance of the SMGKM in a high speed environment is also evaluated and has demonstrated that SMGKM outperforms the previous work. Finally, the SMGKM correctness against various attacks is verified using BAN logic, the eminent tool for analysing the widely deployed security protocols. The security analysis demonstrates that SMGKM can counteract the security flaws and redundancies identified in the chosen related art.
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Jogo da Partilha : relação entre ganho, perda e gênero / Sharing Game : gain, loss and gender effects

Silva, Fanny Silveira e 07 August 2015 (has links)
Submitted by Daniele Amaral (daniee_ni@hotmail.com) on 2016-09-13T17:55:09Z No. of bitstreams: 1 DissFSS.pdf: 1360494 bytes, checksum: 5c89e0de122abd4765ba50babcca44a7 (MD5) / Approved for entry into archive by Marina Freitas (marinapf@ufscar.br) on 2016-09-15T13:31:48Z (GMT) No. of bitstreams: 1 DissFSS.pdf: 1360494 bytes, checksum: 5c89e0de122abd4765ba50babcca44a7 (MD5) / Approved for entry into archive by Marina Freitas (marinapf@ufscar.br) on 2016-09-15T13:31:56Z (GMT) No. of bitstreams: 1 DissFSS.pdf: 1360494 bytes, checksum: 5c89e0de122abd4765ba50babcca44a7 (MD5) / Made available in DSpace on 2016-09-15T13:32:03Z (GMT). No. of bitstreams: 1 DissFSS.pdf: 1360494 bytes, checksum: 5c89e0de122abd4765ba50babcca44a7 (MD5) Previous issue date: 2015-08-07 / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / The Sharing Game, an economic game, studies behavior involved in resource allocation. The participant faces several trials in which he must choose between two options, both with an amount of resources for him and for other passive participant. In the optimal option the distributor receives more and the receiver even more, and in the non optimal option the distributor receives less and the other even less. From their choice, participants may be classified as optimizers, egalitarians or competitives. This work intends to assess whether and to what extent, distributions of strategies in the Sharing Game are affected by the variables gender distributor and allocation frame (gains or losses). There were the Experimental Conditions Gain-Loss and Loss-Gain, both involving hypothetical money. Data were collected online through the website Survey Monkey (n=427). In an intragroup analysis, there was no difference in the strategies adopted by participants distributing gains and losses. However, a between group analysis showed a significant order exposure effect of the allocation type, that is, if the game started with gains or losses. When comparing the two experimental conditions, the Gain-Loss condition presented an optimized strategy in a higher percentage of participants, and the Loss-Gain condition showed a higher percentage of participants both in the egalitarian and competitive strategies. Significant gender differences were found in the two experimental conditions, since in both of them the optimal strategy showed a higher percentage of men. This study has social and scientific importance by presenting an experimental model to study cooperation and competition. It also contributes for the economic games being more known and used in Psychology and Behavior Analysis. Finally, it provides greater generality to the data which may still be inconclusive regarding gender and the use of gains or losses in economic games. / O Jogo da Partilha é um jogo econômico que estuda os comportamentos envolvidos na distribuição de recursos. O participante deve escolher, em uma série de tentativas, entre duas opções com uma quantidade de recursos para ele e para outro participante passivo. Na opção ótima, o distribuidor recebe mais e o outro participante mais ainda e na opção não ótima, o distribuidor recebe menos e o outro menos ainda. A partir das escolhas dos participantes, verificam-se quantos foram otimizadores, igualitários e competitivos. Este trabalho pretendeu avaliar se, e em que extensão, as distribuições de estratégias no Jogo da Partilha são afetadas pelas variáveis gênero do distribuidor e tipo de alocação (ganho ou perda). Houve a Condição Experimental Ganho-Perda e a Condição Experimental Perda-Ganho, ambas envolvendo distribuição de dinheiro hipotético. Os dados foram coletados on-line através do site Survey Monkey (n=427). Em uma análise intragrupo, não houve diferença nas estratégias adotadas pelos participantes, entre distribuir ganho e perda. Porém, uma análise entre grupos mostrou efeitos significativos da ordem do tipo de alocação e do gênero do distribuidor. Na condição Ganho-Perda, houve uma maior porcentagem de participantes na estratégia otimizada, e na condição Perda-Ganho houve uma maior porcentagem na igualitária e na competitiva. E, nas duas condições experimentais, houve uma maior porcentagem de homens na estratégia otimizada. Este trabalho possui importância social e científica ao apresentar um modelo experimental para estudar competição e cooperação, ao contribuir para os jogos econômicos serem mais conhecidos e utilizados na Psicologia e na Análise do Comportamento, e ao fornecer maior generalidade aos dados inconclusivos em relação ao gênero e à utilização de ganho e perda em alocações de recursos. / 2012/23951-8

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