我國(guó)上市公司多元化經(jīng)營(yíng)績(jī)效的實(shí)證分析.pdf

1、華北電力大學(xué)（北京）碩士學(xué)位論文我國(guó)上市公司多元化經(jīng)營(yíng)績(jī)效的實(shí)證分析姓名：王小柳申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：會(huì)計(jì)學(xué)指導(dǎo)教師：劉崇明20080105華北電力大學(xué)碩士學(xué)位論文摘要多元化經(jīng)營(yíng)已經(jīng)成為企業(yè)持續(xù)發(fā)展壯大的重要戰(zhàn)略方式之一，隨之多元化企業(yè)經(jīng)營(yíng)績(jī)效也成為研究的焦點(diǎn)。本文采用理論研究和實(shí)證研究相結(jié)合的方法，首先分析了多元化經(jīng)營(yíng)的效應(yīng)，然后以50家實(shí)施多元化經(jīng)營(yíng)的上市公司為樣本，建立了多元線性回歸模型進(jìn)行實(shí)證研究。研究結(jié)果表明多元化經(jīng)營(yíng)降低了

2、企業(yè)的盈利能力，但多元化經(jīng)營(yíng)與盈利的波動(dòng)性和增長(zhǎng)性之間并沒(méi)有顯著的線性關(guān)系。在實(shí)證研究的基礎(chǔ)之上又結(jié)合我國(guó)多元化企業(yè)的具體情況，對(duì)企業(yè)的多元化經(jīng)營(yíng)戰(zhàn)略進(jìn)行了探討。最后，對(duì)本文進(jìn)行了總結(jié)并提出了后續(xù)的研究方向。關(guān)鍵詞：多元化，績(jī)效，實(shí)證分析ABSTRACTAsdiversificationstrategyhasbecomeoneoftheimportantmethodsforenterprisescontinuingdevelopment

3、andexpansion，theresearchontherelationshipbetweendiversificationstrategyandenterpriseperformancehasbeenafocusInthispaperwiththeoreticalandempiricalresearchmethods，thepositiveandnegativeeconomiceffectsofdiversificationstra

4、tegyaresummarized，andthenwith50listeddiversifiedcompaniesassample，alinearregressionmodelisframedtotesttherelationshipbetweendiversificationstrategyandenterpriseperformanceTheresultshowsthathigherdiversificationmakesenter

5、prisesprofitdecrease，butthereisnotsignificantlinearrelationshipbetweendiversificationdegreeandprofitfluctuationandbetweendiversificationdegreeprofitgrowthThen，onthebasisoftheresearchresultsandthepracticaleconomicconditio

6、nsofChineseenterprises，effectivewaysforenterprisediversificationareexploredAtlast，aconclusionforthispaperismadeandthefurtherresearchispresentedWangXiaoliu(Accounting)DirectedbyprofLiuChongmingKEYWORDS：Diversification，Per