本文選題：網(wǎng)絡(luò)搜索模式 + 搜索引擎�。� 參考：《華東師范大學(xué)》2013年碩士論文

【摘要】：金融危機(jī)傳導(dǎo)問題一直是國(guó)內(nèi)外金融領(lǐng)域研究者探討的一個(gè)熱點(diǎn)問題,現(xiàn)有的研究通常是從宏觀角度展開,側(cè)重于危機(jī)指標(biāo)監(jiān)測(cè),多為預(yù)警模型。然而金融市場(chǎng)的宏觀整體波動(dòng)往往依托于微觀主體的系統(tǒng)性行為偏差,即在信息不對(duì)稱的情況下,個(gè)體行為偏差可能透過市場(chǎng)情緒和社會(huì)傳染引發(fā)非理性的市場(chǎng)狂熱和恐慌,最終將金融市場(chǎng)上的局部偏離演化成系統(tǒng)的、全面的金融危機(jī)。 互聯(lián)網(wǎng)與搜索引擎的發(fā)展,為個(gè)體行為研究開辟了新的領(lǐng)域。本文通過對(duì)羊群行為的解讀,將網(wǎng)絡(luò)搜索行為看作大眾的關(guān)注熱點(diǎn)或動(dòng)機(jī)的體現(xiàn),通過研究整理金融危機(jī)相關(guān)的詞表,構(gòu)建網(wǎng)絡(luò)搜索靜態(tài)模式,其后在金融危機(jī)傳導(dǎo)過程中,動(dòng)態(tài)地分析網(wǎng)絡(luò)搜索趨勢(shì)的傳播與演化。最后結(jié)合2008年金融危機(jī)在中國(guó)與美國(guó)的實(shí)際蔓延情況,來分析網(wǎng)絡(luò)搜索中大眾關(guān)注度的變換與危機(jī)傳導(dǎo)趨勢(shì)之間的聯(lián)系。 在構(gòu)建網(wǎng)絡(luò)搜索靜態(tài)模式時(shí),主要是基于WordScore文本分析原理。對(duì)文獻(xiàn)進(jìn)行充分的調(diào)研后,將金融危機(jī)信息劃分為三個(gè)類別,即現(xiàn)狀描述類、根源探索類和應(yīng)對(duì)措施類。然后利用爬蟲工具抓取網(wǎng)絡(luò)上金融危機(jī)相關(guān)的新聞信息,對(duì)其進(jìn)行分類、分詞、過濾等前期工作,最后在專家小組的參與下,形成領(lǐng)域詞表,構(gòu)建了金融危機(jī)的網(wǎng)絡(luò)搜索靜態(tài)模式。 在靜態(tài)模式的基礎(chǔ)上,本文以Google為數(shù)據(jù)源,建立了網(wǎng)絡(luò)搜索動(dòng)態(tài)模式。即通過Google Trends提供的接口,采集、整理靜態(tài)詞表中相關(guān)詞匯的關(guān)注度數(shù)據(jù),然后分別從時(shí)間和地域的維度,繪出每組數(shù)據(jù)的關(guān)注度趨勢(shì)圖進(jìn)行比較分析。 最后就搜索模式與金融危機(jī)傳導(dǎo)的相關(guān)性做了實(shí)證分析,首先分別梳理了金融危機(jī)在中美的蔓延情況,然后對(duì)比分析了美國(guó)、中國(guó)、中美的關(guān)注度趨勢(shì)圖與危機(jī)傳導(dǎo)實(shí)例間的對(duì)應(yīng)關(guān)系。接著就中美的傳導(dǎo)趨勢(shì)數(shù)據(jù)做了回歸統(tǒng)計(jì),以進(jìn)一步探討兩者之間的相關(guān)性以及傳導(dǎo)的時(shí)間差。在綜合前文的分析后,得出結(jié)論并針對(duì)其特性提出對(duì)傳導(dǎo)過程進(jìn)行干預(yù)、引導(dǎo)的可行性建議。 本論文特色和創(chuàng)新之處在于利用情報(bào)學(xué)的研究方法從信息的角度研究金融危機(jī)傳導(dǎo)、演變的過程,即通過用戶的網(wǎng)絡(luò)搜索相關(guān)行為信息來表征其關(guān)注熱點(diǎn)或動(dòng)機(jī),以此分析大眾關(guān)注度的變換與危機(jī)傳導(dǎo)趨勢(shì)之間的聯(lián)系。本文較以往經(jīng)濟(jì)學(xué)的研究更加偏于對(duì)信息本質(zhì)的分析,可能會(huì)為金融危機(jī)的預(yù)防和疏導(dǎo)提供新的思路。
[Abstract]:The problem of financial crisis transmission has been a hot topic for researchers in the field of finance at home and abroad. The existing research is usually carried out from a macro perspective, focusing on the monitoring of crisis indicators, most of which are early warning models. However, the macro fluctuation of financial market often depends on the systematic behavior deviation of microcosmic subject, that is, under the condition of information asymmetry, individual behavior deviation may lead to irrational market frenzy and panic through market emotion and social contagion. Finally, the partial deviation in the financial market is evolved into a systematic and comprehensive financial crisis. The development of the Internet and search engines opens up a new field for the study of individual behavior. Through the interpretation of herding behavior, this paper regards the behavior of Internet search as the embodiment of the public's attention or motivation, and constructs the static mode of network search by studying and sorting out the lexicon related to the financial crisis, and then in the process of conducting the financial crisis. Dynamic analysis of the spread and evolution of network search trends. Finally, combined with the actual spread of the financial crisis in China and the United States in 2008, to analyze the relationship between the change of public concern and the trend of crisis transmission in the network search. Is mainly based on WordScore text analysis principle. After a full investigation of the literature, the financial crisis information can be divided into three categories, namely, the description of the status quo, the class of root exploration and the type of measures to deal with the financial crisis. Then the crawler tool is used to grab the news information related to the financial crisis on the network, to classify, participle, filter and so on. Finally, with the participation of the expert group, the domain vocabulary is formed. On the basis of the static mode, this paper takes Google as the data source and establishes the dynamic pattern of network search. That is, through the interface provided by Google Trends, we collect and sort out the attention data of the relevant words in the static lexicon, and then from the dimension of time and region, Finally, the correlation between search mode and financial crisis transmission is analyzed empirically. Firstly, the spread of the financial crisis in China and the United States is combed out, and then the United States is compared and analyzed. China, the relationship between China and America's trend Chart of concern and crisis Transmission case. Then, regression statistics are made on the conduction trend data of China and the United States to further explore the correlation between them and the time difference of transmission. After synthesizing the above analysis, we draw a conclusion and propose to intervene in the conduction process according to its characteristics. The characteristic and innovation of this paper lies in the use of information science research methods to study the transmission and evolution of financial crisis from the perspective of information. That is to say, users search for relevant behavior information to express their focus or motivation, so as to analyze the relationship between the change of public attention and the trend of crisis transmission. This paper is more focused on the analysis of the nature of information than the previous studies of economics, which may provide a new way of thinking for the prevention and guidance of financial crisis.
【學(xué)位授予單位】：華東師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：G354;F831.59

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本文編號(hào)：1999531