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Postgraduate Thesis: Two essays on China's stock markets
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TitleTwo essays on China's stock markets
 
AuthorsWu, Zhiguo
吴志国
 
Issue Date2012
 
PublisherThe University of Hong Kong (Pokfulam, Hong Kong)
 
AbstractChina’s stock markets have become the second largest in the world after that of the United States. Both the Chinese institutional setting and the behaviors of the populous Chinese investors and listed firms provide novel opportunities to explore the classical theories in the field of economics and finance. Using two natural experiments, this thesis attempts to shed new light on these theories. The local bias puzzle was originally proposed from the analysis of investors’ investment portfolios. In the first essay, I test and confirm the hypothesis that local bias has already existed in investor attention subconsciously regardless of their investment. In contrast to literature which focuses on investment accounts, I examine local bias in investor attention by analyzing investor messages posted on China’s Internet stock message boards. I find that individual investors pay more attention to the stocks of local companies. This finding is strong and robust to local-bias proxy variables. By examining factors that affect investor attention local bias, I find that local bias is particularly strong in underdeveloped regions, for SOEs, for small-investor base and low-turnover stocks, and for stocks with name indicating locality. Furthermore, distance plays a significant role: the marginal effect of local bias is much stronger for distances within 500 kilometers. All these results are consistent with my explanation that local bias is affected by factors which can attract investors’ attention. Thus, investment local bias is the natural consequence of investor attention local bias, and I attribute the local bias puzzle to limited investor attention. Chinese stock market has plunged into an unlocking flood of non-tradable shares since June 2006. This radical transition provides a unique natural experimental setting to ascertain earnings management incentives. In the second essay, I explore whether earnings management behavior exists in listed Chinese firms during the unlocking process. I find that non-tradable shareholders opportunistically manipulate earnings upward to offset price pressures for subsequent selling. Firms have higher levels of accruals when unlocking incentive is higher. Furthermore, actual selling incentive is higher in firms which have higher levels of accruals. The results document a novel case that equity incentives give rise to the incidence of earnings management.
 
AdvisorsQiu, H
Zhou, X
 
DegreeDoctor of Philosophy
 
SubjectInvestments - China - Decision making.
Stock exchanges - China.
 
Dept/ProgramEconomics and Finance
 
DC FieldValue
dc.contributor.advisorQiu, H
 
dc.contributor.advisorZhou, X
 
dc.contributor.authorWu, Zhiguo
 
dc.contributor.author吴志国
 
dc.date.hkucongregation2012
 
dc.date.issued2012
 
dc.description.abstractChina’s stock markets have become the second largest in the world after that of the United States. Both the Chinese institutional setting and the behaviors of the populous Chinese investors and listed firms provide novel opportunities to explore the classical theories in the field of economics and finance. Using two natural experiments, this thesis attempts to shed new light on these theories. The local bias puzzle was originally proposed from the analysis of investors’ investment portfolios. In the first essay, I test and confirm the hypothesis that local bias has already existed in investor attention subconsciously regardless of their investment. In contrast to literature which focuses on investment accounts, I examine local bias in investor attention by analyzing investor messages posted on China’s Internet stock message boards. I find that individual investors pay more attention to the stocks of local companies. This finding is strong and robust to local-bias proxy variables. By examining factors that affect investor attention local bias, I find that local bias is particularly strong in underdeveloped regions, for SOEs, for small-investor base and low-turnover stocks, and for stocks with name indicating locality. Furthermore, distance plays a significant role: the marginal effect of local bias is much stronger for distances within 500 kilometers. All these results are consistent with my explanation that local bias is affected by factors which can attract investors’ attention. Thus, investment local bias is the natural consequence of investor attention local bias, and I attribute the local bias puzzle to limited investor attention. Chinese stock market has plunged into an unlocking flood of non-tradable shares since June 2006. This radical transition provides a unique natural experimental setting to ascertain earnings management incentives. In the second essay, I explore whether earnings management behavior exists in listed Chinese firms during the unlocking process. I find that non-tradable shareholders opportunistically manipulate earnings upward to offset price pressures for subsequent selling. Firms have higher levels of accruals when unlocking incentive is higher. Furthermore, actual selling incentive is higher in firms which have higher levels of accruals. The results document a novel case that equity incentives give rise to the incidence of earnings management.
 
dc.description.naturepublished_or_final_version
 
dc.description.thesisdisciplineEconomics and Finance
 
dc.description.thesisleveldoctoral
 
dc.description.thesisnameDoctor of Philosophy
 
dc.identifier.hkulb4807976
 
dc.languageeng
 
dc.publisherThe University of Hong Kong (Pokfulam, Hong Kong)
 
dc.relation.ispartofHKU Theses Online (HKUTO)
 
dc.rightsThe author retains all proprietary rights, (such as patent rights) and the right to use in future works.
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.source.urihttp://hub.hku.hk/bib/B48079765
 
dc.subject.lcshInvestments - China - Decision making.
 
dc.subject.lcshStock exchanges - China.
 
dc.titleTwo essays on China's stock markets
 
dc.typePG_Thesis
 
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<item><contributor.advisor>Qiu, H</contributor.advisor>
<contributor.advisor>Zhou, X</contributor.advisor>
<contributor.author>Wu, Zhiguo</contributor.author>
<contributor.author>&#21556;&#24535;&#22269;</contributor.author>
<date.issued>2012</date.issued>
<description.abstract>&#65279;China&#8217;s stock markets have become the second largest in the world after that

of the United States. Both the Chinese institutional setting and the behaviors of

the populous Chinese investors and listed firms provide novel opportunities to

explore the classical theories in the field of economics and finance. Using two

natural experiments, this thesis attempts to shed new light on these theories.

The local bias puzzle was originally proposed from the analysis of investors&#8217;

investment portfolios. In the first essay, I test and confirm the hypothesis that

local bias has already existed in investor attention subconsciously regardless of

their investment. In contrast to literature which focuses on investment accounts, I

examine local bias in investor attention by analyzing investor messages posted on

China&#8217;s Internet stock message boards. I find that individual investors pay more

attention to the stocks of local companies. This finding is strong and robust to

local-bias proxy variables. By examining factors that affect investor attention

local bias, I find that local bias is particularly strong in underdeveloped regions,

for SOEs, for small-investor base and low-turnover stocks, and for stocks with

name indicating locality. Furthermore, distance plays a significant role: the

marginal effect of local bias is much stronger for distances within 500 kilometers.

All these results are consistent with my explanation that local bias is affected by

factors which can attract investors&#8217; attention. Thus, investment local bias is the

natural consequence of investor attention local bias, and I attribute the local bias

puzzle to limited investor attention.

Chinese stock market has plunged into an unlocking flood of non-tradable

shares since June 2006. This radical transition provides a unique natural

experimental setting to ascertain earnings management incentives. In the second

essay, I explore whether earnings management behavior exists in listed Chinese

firms during the unlocking process. I find that non-tradable shareholders

opportunistically manipulate earnings upward to offset price pressures for

subsequent selling. Firms have higher levels of accruals when unlocking incentive

is higher. Furthermore, actual selling incentive is higher in firms which have

higher levels of accruals. The results document a novel case that equity incentives

give rise to the incidence of earnings management.</description.abstract>
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<publisher>The University of Hong Kong (Pokfulam, Hong Kong)</publisher>
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<rights>The author retains all proprietary rights, (such as patent rights) and the right to use in future works.</rights>
<rights>Creative Commons: Attribution 3.0 Hong Kong License</rights>
<source.uri>http://hub.hku.hk/bib/B48079765</source.uri>
<subject.lcsh>Investments - China - Decision making.</subject.lcsh>
<subject.lcsh>Stock exchanges - China.</subject.lcsh>
<title>Two essays on China&apos;s stock markets</title>
<type>PG_Thesis</type>
<identifier.hkul>b4807976</identifier.hkul>
<description.thesisname>Doctor of Philosophy</description.thesisname>
<description.thesislevel>doctoral</description.thesislevel>
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<date.hkucongregation>2012</date.hkucongregation>
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