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BIBLIOMETRIC ANALYSIS OF THE SCIENTIFIC PRODUCTION OF THE CONCEPT OF INTELLECTUAL CAPITAL (1980-2012) Caroline Rodrigues Vaz (UFSC) [email protected] Paula Regina Zarelli (UFSC) [email protected] Mauricio Uriona Maldonado (UFSC) [email protected] Paulo Mauricio Selig (UFSC) [email protected] João Paulo Zarelli Rocha (UFSC) [email protected] Purpose - The purpose of this paper is to explore the nature of research topics and methodologies employed in existing studies of intellectual capital. -The objective of this study is to conduct a meta-review analysis of the intellectual capital literatures by investigating research productivity and conducting a citation analysis of key-words, authors and journals of impact factor. Design/methodology/approach - The study consists of a bibliometric review of 674-refereed articles on intellectual capital. Findings - The bibliometric analysis reveals that in the literature about intellectual capital there was a significant evolution in works related with the subject Intellectual Capital in the last years. 302 journals were identified, being the main one Journal of Intellectual Capital, with 134 papers, for it being dedicated to exchange of information about practises in all aspects of creation, identification, management and measurement of intellectual capital on enterprises, followed by the Journal of Learning and Intellectual Capital with 33 papers. Regarding the key words, the subject of this research took the first place, intellectual capital, with 400 repetitions, followed by human capital with 113 and social capital with 84 repetitions. As for the most relevant authors stands out Bontis (1999); Roos (2000, 2002, 2006, 2007, 2011); Edvinsson (1996, 1997, 2001, 2008); Johnson (1999); Stewart (1994); and Chen (2006, 2012). Originality/value To the best of the authors’ intellectual capital, this paper presents a evolution of studies about concept of intellectual capital on literature review on this topic that has previously been published in academic journals. Research limitations/implications (if applicable) The work is only bibliographic. 1. Introduction The idea of generating competitive advantages from the creation and protection of knowledge has originated a strand with strong impact in the professional field nominated “knowledge management” (WIGG, 1997).

Bibliometric analysis of scientific productivity: A case study of an Indian physics laboratory

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BIBLIOMETRIC ANALYSIS OF THE SCIENTIFIC PRODUCTION OF THE

CONCEPT OF INTELLECTUAL CAPITAL (1980-2012)

Caroline Rodrigues Vaz (UFSC) [email protected]

Paula Regina Zarelli (UFSC) [email protected]

Mauricio Uriona Maldonado (UFSC) [email protected]

Paulo Mauricio Selig (UFSC) [email protected]

João Paulo Zarelli Rocha (UFSC) [email protected]

Purpose -

– The purpose of this paper is to explore the nature of research topics and methodologies

employed in existing studies of intellectual capital.

-The objective of this study is to conduct a meta-review analysis of the intellectual capital

literatures by investigating research productivity and conducting a citation analysis of

key-words, authors and journals of impact factor.

Design/methodology/approach –

- The study consists of a bibliometric review of 674-refereed articles on intellectual

capital.

Findings –

- The bibliometric analysis reveals that in the literature about intellectual capital there

was a significant evolution in works related with the subject Intellectual Capital in the

last years. 302 journals were identified, being the main one Journal of Intellectual Capital,

with 134 papers, for it being dedicated to exchange of information about practises in all

aspects of creation, identification, management and measurement of intellectual capital

on enterprises, followed by the Journal of Learning and Intellectual Capital with 33

papers. Regarding the key words, the subject of this research took the first place,

intellectual capital, with 400 repetitions, followed by human capital with 113 and social

capital with 84 repetitions. As for the most relevant authors stands out Bontis (1999);

Roos (2000, 2002, 2006, 2007, 2011); Edvinsson (1996, 1997, 2001, 2008); Johnson

(1999); Stewart (1994); and Chen (2006, 2012).

Originality/value – To the best of the authors’ intellectual capital, this paper presents a

evolution of studies about concept of intellectual capital on literature review on this topic

that has previously been published in academic journals.

Research limitations/implications (if applicable) –

The work is only bibliographic.

1. Introduction

The idea of generating competitive advantages from the creation and protection of

knowledge has originated a strand with strong impact in the professional field nominated

“knowledge management” (WIGG, 1997).

Thus, knowledge management under the optics of Bukowitz and Williams (2002,

p. 17) is “the process by which the company generates wealth, from its knowledge or

intellectual capital”. Herrero (2005) believes that the company’s value is composed by

the financial capital (tangible asset) and the intellectual capital value (intangible asset),

the latter understood as intellectual matter (knowledge, information, industrial property,

experience) that can used to generate wealth.

According to Pacheco (2005), the intangible assets are having a dominant role in

wealth generation in the corporate scope, because they are considered key-competence

and driving force to value their own tangible assets, reach objectives and integrate

management efforts.

In consequence of the importance of the intangible assets and the very wide role

of its occurrences in the corporate branch, this research pays special attention to those

that compose the companies’ Intellectual Capital (innovations, brand, corporate image,

among others).

For Stewart (1998), the Intellectual Capital corresponds to a set of knowledge and

information found in companies, which aggregates value to the product and/or services,

through intelligence and non-monetary capital application on the undertaking.

The companies of the 21st century present cycles always more accelerated of

innovation, show that knowing how to manage the intellectual capital has become an

essential pre-requisite to business success, since success is more and more based in

intelligence aggregation to their processes, products and services (GRACIOLI, 2005).

In this matter, Tasca et al. (2010) show the problematic that many researchers deal

with while trying to justify the theoretical referential selected to sustain their research.

Situation that, according to the authors, denotes the relevance of a structured process to

this end, in a way to provide a robust theoretical board.

On this context, emerges a research problem that orients the making of the present

paper: How to build the demanded knowledge for a researcher when in the beginning of

a research in the intellectual capital subject in order to provide the necessary conditions

to, in a second moment, seek opportunities to contribute in the chosen thematic?

To answer this research questions, the objective of this paper is to conduct a meta-

review (bibliometric analysis) of the literature about intellectual capital investigation the

productivity and conducting the analysis of citations, researchers, institutions and

countries from 1980 to 2012.

The reach of this general objective will be me possible by the following

objectives: (a) Selecting a relevant Bibliographic Portfolio about intellectual capital; (b)

Perform a bibliometric analysis of the chosen bibliographic portfolio and its references,

aiming to identify journals, papers and key words that are highlighted, as well as the

evolution of the subject.

The paper presents itself in five sections, being the first composed by the

introduction. Followed by the presentation of the theoretical referential of intellectual

capital on section 2. The third by the methodological procedures in the research. The

fourth composed by the procedures on the selection of the theoretical referential, being

also subdivided in preliminary investigation, selection of papers that will compose the

portfolio for the research and, bibliometric analysis of the paper portfolio for the

theoretical referential at issue. And, at last, presenting the final conclusions.

2. Intellectual Capital

The Intellectual Capital has begun in Management by Peter Drucker, with an empirical

concept, which sought to analyse the intervenient elements in the generation of value of

companies (GRACIOLI, 2005). For Stewart (1998), the intellectual capital corresponds

to a set of knowledge and information found in companies, which aggregates value to

product and/or services, through the usage of intelligence and not of monetary capital for

the undertaking.

Hence, the value generated by the intellectual capital depends of the human capital, which

is the most important factor for survival and renovation of companies in all their activity

levels, states Pacheco (2005).

Norton and Kaplan (2000), cite that in a study made with different companies, the

accountable value of tangible assets was not bigger than 15% of its market value, the

remaining value was attributed to the intangible assets, associated with knowledge,

intellectual and human capital.

Companies of this century are not only more connected to the industrial era, are also more

dependent of their employees, states Lev (2001), to the extent that aggregate knowledge

to productive processes and to management in general. Board 1 shows the general view

of the categories of existent resources within a company, and, at the same time, analyses

them in topics, what constitutes the material resources (tangible) and immaterial resources

(intangible) subject to being capitalised.

Board 1 – Categories and Resources of a company

Source: Granstrand (1999, p. 7)

In general, these immaterial categories (intangible) depend, directly or indirectly, of the

existence of qualified human resources. Hence, as exists a concern with intellectual

capital, there will be a higher valuing of the human factor on companies.

Stewart (1998, p. 13) admits that the Intellectual Capital, as a group of occult values that

aggregate value to companies, allowing its continuity. Taking into account such concepts,

it can be said that the Intellectual Capital is a set of values, be it capital, an asset, or a

resource, both are found occult and all tend to aggregate real value to the company.

Lynn (2000), from a variety of sources, develops a model of three components for

intellectual capital that had been identified in the research of Dzinkowski (1998):

Board 2 – Elements of Intellectual Capital

Source: Dzinkowski (1998).

a. Human Capital: According to Lynn (2000, p. 2), the human capital is presented as

know-how, capacities, abilities and specialisations of human resources of a company, this

is one of the critical assets in the intellectual capital group, being that the management of

human capital frequently creates and sustains wealth of a company.

b. Organisational or structural capital: Covers the remaining elements of the intellectual

capital, including information systems and values, together with elements of intellectual

property, such as patents, copyright, brands, etc. The organisational (structural) capital is

the backbone of the company itself, which involves their organisational capacity,

including its management planning, and control systems, processes, functional grids,

policies and even its culture, that is, all that helps a company to generate value

(PACHECO, 2005).

c. Relational capital (customers and suppliers): Is identified as a separate entity and,

according to Lynn (2000, p. 2), embodies “any of the connections that people outside of

the company have with it”, together with customer loyalty, market slice, amount of orders,

amount of orders, etc. Regards connections of a company with its customers and

suppliers, what also creates value through loyalty, better markets, speed and quality. In

this way, it can be translated in measures of regular customers whose loyalty generates

regular sales and reduce the costs of seeking new customers.

According to Dzinkowski (1998), there is a model of creation of value of intellectual

capital that is composed by three instances that interrelate to form the value of human

capital, customer capital (relational) and organisational (structural) capital. The creation

of value , completely, is the main goal of all commercial activities, while the fundamental

function of traditional accountability is to supply trustable information to external

investors, and for that, depends of the sub adjacent economy to all commercial activities.

3. Methodology

This section presents the classification of the research and the methodological procedures

used in the construction and analysis of the bibliographic portfolio about intellectual

capital.

3.1 Research classification

The research is characterised as of theoretical nature in relation to the approached subject.

As for its technical procedures, falls as a bibliographic study, because it will treat data

and verifications stemmed directly of already done works of the researched subject. From

the point of view of the objectives, it can be classified as explanatory and descriptive,

since it will seek specific information and characteristics of what is being studied (GIL,

2007).

3.2 Research procedure

The bibliometric analysis is a technique for mapping of the main authors, journals and

key words about a subject. Uriona Maldonado, Silva Santos and Santos (2010) states that

these techniques are tools that are supported in a methodological theoretical recognised

scientifically, which allows the use of statistical and mathematical methods to map

information, through bibliographic registries of documents stored in the data bases.

In complement, it is highlighted the bibliometric analysis presented by Ensslin et al

(2010), as follows:

And the process of quantitative evidencing of the statistical data of a

defined set of papers (bibliographic portfolio) for information

management and scientific knowledge of a given subject, made through

document counting.

For the bibliometric analysis were utilised the constant papers of the bibliographic

portfolio and its references for ascertaining the relevance degree of authors and most used

key words.

Was employed as intervention tool in this work the process for bibliographic review,

according to the constructivist view, called ProKnow-C (Knowledge Development

Process – Constructivism), proposed by Ensslin et al. (2010).

The intervention tool proposed by Ensslin et al. (2010) for the selection of a bibliographic

portfolio is consubstantiated in a subdivided process in four phases: i) selection of the

crude papers bank: composed by the definition of the key words; definition of the data

bases; seeking of papers in the data bases with the key words and the key words adherence

test; ii) filtering: composed by the filtering of the crude paper bank regarding redundancy

and filtering of the crude paper bank non repeated regarding title alignment; iii) filtering

of the paper bank: composed by the determining of scientific acknowledgement of papers;

identifying the authors; iv) filtering as for the alignment of the whole paper, also through

the ProKnow-C, the present paper will proceed the bibliometric analysis of the papers

that compose it.

The software EndNote X5 (ENDNOTE, 2011) was used to generate and treat the

collected references. The EndNote tool is a manager of bibliographic references made by

Thomson Scientific that works integrated to the Web of Science. Eases the work of

investigation and writing of the scientific work and allows reuniting bibliographic

references from online data bases, import metadata and group them in many ways.

4. Results and Discussion

4.1 Construction of the bibliographic portfolio

Lacerda (2010) states that the evolution of information systems, the use of data

bases (indexed systems), is to ease searches for bibliographic references and for the

construction of theoretical platforms for future researches.

The selection of papers was made in May, 2012, in the Web of Science, Science

Direct, and SCOPUS data bases, using as criteria to seek the terms “Intellect*” and

“Capital” in the key-words, titles and abstracts of papers. Since there was interest in

understanding the construct and its origins in a deeper way there wasn’t any temporal

frame. In other another words, all selected papers were analysed. The truncation symbol

“*” was used to amplify the number of answers, because it recovers plurals, expressions

with the same radical and graphic variations of the key words.

- Web of Science: multidisciplinary base that indexes only the most cited journals

in their respective fields. Is also an index of citations, informing, for each paper,

documents cited and documents that cite it. There are, today, more than 9,000 indexed

journals.

- SCOPUS: abstract, scientific literature, literature citations and information

sources database. It indexes more than 15,000 journals, circa 265 million internet pages,

18 million patents, among other documents.

- Science Direct: availability of Elsevier and other editors publications, covering

the fields of Biological Sciences, Health Sciences, Agricultural Sciences, Exact and Hard

Sciences, Engineering, Applied Social Sciences, Human Sciences, Languages and Arts.

In these three consulted bases were established search criteria, such as: paper only

searches, field (management, business, economics, operations, engineering,

multidisciplinary, education, industrial engineering, environmental business, social

finance and social sciences) and topics (social capital, human capital, structural capital,

intellectual capital and sustainable capital). As for the period, it was not stipulated to

verify the subject evolution. 2260 papers were found, as shown in image 1.

Image 1 – Amount of papers in the data bases

Source: Authors (2012)

Then, the main filtering of crude articles was made through: identification of

duplicated papers and reading of abstracts, leaving only the aligned papers with the

subject, as shown in image 2.

Image 2 – Filtered articles

Source: Authors (2012).

4.2 Bibliometric Analysis

4.2.1 Subject Evolution

It was identified that the year of publication of the 674 selected papers. Image 3 shows

the year evolution, which ranges from 1988 to 2012 of works made about the subject.

Series1; Wef of

Science; 531

Series1;

SCOPUS; 1434

Series1; Science

Direct; 295

Am

ou

nt

Data bases

•Crude papers

2260

•Unduplicated papers

1935

•Papers aligned with the subject

674

•Amount of citations

417

•Papers available for research

190

Image 3 – Evolution of the subject with published scientific works.

Source: Authors (2012).

It can be observed that there was a significative evolution of related works with

the subject Intellectual Capital in the last few years. Beggining in 1988 with “Technical

Knowledge and Intellectual Capital in door thrust of Chinas open door Policy” made by

SINGH, K. that treats technical knowledge and intellectual capital in the port-momentum

in China’s politics. Although, the significative raise initiated in 2005 with forty-four

papers, in 2011 with 133 and, until May, 2012 with fourty papers. And this has a tendency

to grow.

4.2.2 Relevant journals

Were identified 302 journals in the bibliometric portfolio, image 4 shows the ones that

most obtained selected papers. The most highlighted journals were Journal of Intellectual

Capital with 134 papers, due to being the main journal in the Intellectual Capital field,

for being dedicated to exchange of information about practises in all aspects of creation,

identification, management and measuring of intellectual capital in enterprises.

Followed by Journal of Learning and Intellectual Capital with 33 papers, which

treats works that involve innovation influence, learning, knowledge management and

intellectual capital about the making of competitive advantage for companies in the new

age of economy.

Série1; 1988; 1Série1; 1994; 1Série1; 1996; 3

Série1; 1997; 9Série1; 1998; 9Série1; 1999; 8Série1; 2000; 11

Série1; 2001; 8Série1; 2002; 7Série1; 2003; 12Série1; 2004; 13

Série1; 2005; 44

Série1; 2006; 52

Série1; 2007; 65

Série1; 2008; 88

Série1; 2009; 97

Série1; 2010; 73

Série1; 2011; 133

Série1; 2012; 40

Qu

an

tid

ad

e

Ano

Image 4 – Journals relation

Source: Authors (2012).

4.2.3 Relevant key-words

Were obtained 1775 key-words by the portfolio authors. In image 5 are described the

words with the most repetition that relate directly with intellectual capital, and also

validates the key-words adherence used in the selection of papers with the found papers.

Image 5 – Relation of key-words

Source: Authors (2012).

4.2.4 Relevant authors

It can be observed in image 6 the relation of the most highlighted authors in the

bibliographic portfolio. Altogether, the 674 papers with the portfolio subject were

elaborated by 1302 authors. It is observed that the most repeated is Bontis, N.

Image 6 – Relation of authors

Source: Authors (2012).

It was verified that some of the consagrated authors in this subject appear in the

selection of the porfolio’s papers, as in:

- Bontis, N: "Managing organizational knowledge by diagnosing intellectual

capital: Framing and advancing the state of the field. (1999)"; "Human capital and

organizational performance: A study of Egyptian software companies. (2007)";

"A causal model of human capital antecedents and consequents in the financial

services industry. (2009)"; "Positioning management accounting on the

intellectual capital agenda. (2007)"; "Intellectual capital disclosure payback.

(2011)"; "Intellectual capital and business performance in the Portuguese banking

industry. (2008)" "On the "essential condition" of intellectual capital: Labour!

(2006)"; "Managing risk with intellectual capital statements. (2007)"; "Global

ranking of knowledge management and intellectual capital academic journals.

(2008)"; "A scientometric analysis of knowledge management and intellectual

capital academic literature (1994-2008). (2010)"; "Practical relevance of

knowledge management and intellectual capital scholarly research: Books as

knowledge translation agents. (2011)"; "Intellectual capital and business

performance in the pharmaceutical sector of Jordan. (2010)"; "Managing

intellectual capital in Nigerian telecommunications companies. (2012)".

- Roos, G.: "Information needs of internal and external stakeholders and how to

respond: Reporting on operations and intellectual capital. (2007)"; "Intellectual

capital and performance indicators: Taiwanese healthcare sector. (2007)";

"Intellectual capitals, business models and performance measurements in forming

strategic network. (2011)"; "Intellectual capital: Origin and evolution. (2006)",

"Intellectual capital analysis as a strategic tool. (2002)"; "Towards improved

information disclosure on intellectual capital. (2000)".

- Edvinsson, L.: "Developing intellectual capital at Skandia. (1997)"; "Developing

a model for managing intellectual capital. (1996)"; "Intellectual capital: from

intangible assets to fitness landscapes. (2001)"; "National intellectual capital:

Comparison of the Nordic countries. (2008)".

- Johson, W. H. A.: "Integrative taxonomy of intellectual capital: Measuring the

stock and flow of intellectual capital components in the firm. (1999)".

- Stewart, T. A.: "Your Company most Valuable Asset - Intellectual Capital.

(1994)".

And appears a new term in Intellectual Capital: “Green”, facing environmental

matters, defined by Chen, Y. S., in works:

- Chen, Y. S.: "The determinants of green intellectual capital. (2012)"; "The

positive effect of green intellectual capital on competitive advantages of firms. (2008)";

"The influence of intellectual capital on new product development performance - The

manufacturing companies of Taiwan as an example. (2006)".

The “Green” Intellectual Capital, also known as Environmental Management

Intellectual Capital or Green Innovation was nominated by Yu-Shan Chen, assistant

professor of the National Taiwan University of Science and Technology, in 2008.

This new nomination appeared to raise a competitive advantage of enterprises

through environmental management or green innovation, widespread subject in today’s

world. Due to tendencies of international environmental regulations and awareness of

customers, states Chen (2008).

In this way, Dr. Chen found a gap of research, exploring Intellectual Capital about

the view of Environmental Management or “Green” Innovation in a way to bring

competitive advantage to enterprises.

Hence, “Green” Intellectual Capital was defined was defined as final stock of all

intangible assets, knowledge, capacity and relationship relations, regarding protection of

the environment and/or “green” innovation in an individual level or an inside the

enterprise level (CHEN, 2008).

4.2.5 Relevant Papers

Regarding the most relevant papers, the Intellectual Capital presented 275 papers with

citations of the bibliographic portfolio. Board 3 shows the relation of quantity of paper

citations in the Google Scholar higher than 100.

Board 3 – Relation of quantity of intellectual capital paper citation

INTELLECTUAL CAPITAL PAPERS

Citation

s

Social capital, intellectual capital, and the organizational advantage 7055

Intellectual Human Capital and the Birth of U.S. Biotechnology Enterprises 1768

The role of social and human capital among nascent entrepreneurs 1252

Developing intellectual capital at Skandia 788

The influence of intellectual capital on the types of innovative capabilities 662

Developing a model for managing intellectual capital 618

Managing organizational knowledge by diagnosing intellectual capital: Framing and

advancing the state of the field 595

Understanding knowledge sharing in virtual communities: An integration of social capital and

social cognitive theories 502

Integrating intellectual capital and knowledge management 453

Examining the Human Resource Architecture: The Relationships Among Human Capital,

Employment, and Human Resource Configurations 441

Applications of social capital in educational literature: A critical synthesis 374

Intellectual capital and the 'capable firm': Narrating, visualising and numbering for managing

knowledge 315

Intellectual Capital Profiles: An Examination of Investments and Returns 287

Social capital, knowledge, and the international growth of technology-based new firms 280

Harnessing the power of intellectual capital 277

Social capital, self-esteem, and use of online social network sites: A longitudinal analysis 248

Constructing intellectual capital statements 230

An empirical investigation of the relationship between intellectual capital and firm's market

value and financial performance 219

The environmental–social interface of sustainable development: capabilities, social capital,

institutions 180

Understanding adaptation: What can social capital offer assessments of adaptive capacity? 174

Knowledge management and intellectual capital - The new virtuous reality of competitiveness 167

Protecting intellectual capital in international alliances 167

Integrative taxonomy of intellectual capital: Measuring the stock and flow of intellectual

capital components in the firm 161

Civil society, social capital, and development: Dissection of a complex discourse 158

Academic careers, patents, and productivity: industry experience as scientific and technical

human capital 156

Valuing investments in intellectual capital 156

Measuring intellectual capital: Learning from financial history 153

An empirical investigation of annual reporting trends of intellectual capital in Sri Lanka 148

Disclosure of information on intellectual capital in Danish IPO prospectuses 133

he implications of socialization and integration in supply chain management 130

Social capital and entrepreneurial growth aspiration: a comparison of technology- and non-

technology-based nascent entrepreneurs 130

Experienced entrepreneurial founders, organizational capital, and venture capital funding 124

Intellectual capital disclosure and market capitalization 113

Managing knowledge and intellectual capital for improved organizational innovations in the

construction industry: An examination of critical success factors 108

The knowledge value chain: How intellectual capital impacts on business performance 108

Exploring the concept of intellectual capital (IC) 107

Intellectual capital analysis as a strategic tool 106

Intellectual capital and corporate value in an emerging economy: Empirical study of

Taiwanese manufacturers 105

Class matters: human and social capital in the entrepreneurial process 104

ICBS intellectual capital benchmarking systems 104

Proposing and testing an intellectual capital-based view of the firm 104

Creating supply chain relational capital: The impact of formal and informal socialization

processes 103

Prioritization of human capital measurement indicators using fuzzy AHP 103

Intellectual capital and performance in causal models. Evidence from the information

technology industry in Taiwan 101

Lifting the lid on the use of content analysis to investigate intellectual capital disclosures 100

Source: Authors (2012).

In the classification of academic relevance made under the optics of number of

citations of the selected portfolio papers the study that excelled was NAHAPIET, J., with

the work “Social capital, intellectual capital, and the organizational advantage”, obtaining

7055 citations. And the work of ZUCKER, L.; DARBY, M. with “Intellectual Human

Capital and the Birth of U.S. Biotechnology Enterprises”, with 1768 citations. “The role

of social and human capital among nascent entrepreneurs” from DAVIDSSON, P.,

obtained 1252 citations.

Image 7 presents the relation between the most relevant authors’ networks with

the papers from the bibliographic portfolio. And image 8 shows a network of correlation

of authors versus co-authors of the bibliographic portfolio papers. Each circle corresponds

to an old portfolio, and their size is proportional to their size. The arrows indicate when a

paper is cited by another author and are faced from the paper that cited to the cited paper.

Even with the indication of the articles on the map in a certain illegal way, it is observed

that an intense connection between the portfolio papers. Hence, the most recent authors

have cited older authors, what demonstrates being a science field that is expanding.

Image 7 – Correlation between most relevant authors versus papers grid

Source: Authors (2012).

Image 8 – Correlation between the authors versus co-authors of the bibliographic portfolio papers grid

Source: Authors (2012).

5. Final Considerations

The objective of this study focused in presenting a meta-review (bibliometric analysis) of

the literature about intellectual capital.

The paper is divided in two parts: the portfolio construction and the bibliometric analysis.

The construction of the portfolio had as objective selecting the most relevant papers on

the subject in matter. Being that, the bibliographic analysis sought to ascertain the main

papers, authors, journals and key words published from 1980 to 2012.

The portfolio construction process has made possible an analysis of 2260 papers,

culminating with a final portfolio of 674 papers aligned with the subject.

The bibliometric analysis showed that the main journals that approach and publish about

the subject are Journal of Intellectual Capital, with 134 papers. Followed by Journal of

Learning and Intellectual Capital, with 33 papers.

As for the key words, the most highlighted one was Intellectual Capital itself, appearing

with 400 repetitions.

The focused authors in this research were Bontis, N.; Roos, G.; Edvinsson, L.; Johnson,

W. H. A.; Stewart, T. A.; Chen, Y. S.; with works about intellectual capital, intangible

assets and green intellectual capital.

In the classification of academic relevance made under the optics regarding the number

of citations of the selected papers in the portfolio, the main work was from Nahapiet, J.,

with the work “Social capital, intellectual capital, and the organizational advantage”,

which obtained 7055 citations. In addition, the work of Zucker, L. and Darby M. with

“Intellectual Human Capital and the Birth of U.S. Biotechnology Enterprises”, with 1768

citations. Also, “The role of social and human capital among nascent entrepreneurs” from

Davidsson, P. with 1252 citations.

Hence, the research questions – “How to build the demanded knowledge for a researcher

when in the beginning of a research in the intellectual capital subject in order to provide

the necessary conditions to, in a second moment, seek opportunities to contribute in the

chosen thematic?” – was answered through section four.

In this way, under the importance in the development of academic researches around

intellectual capital, the objective of this analysis was centred in presenting today’s

situation of the literature.

With originality and value, this paper presents a evolution of studies about concept of

intellectual capital on literature review on this topic that has previously been published in

academic journals.

The limitations of this research were: i) delimitation on the sample field, for in his work

were used only three data bases; ii) usage of international works only; iii) only journals

were used, were not considered theses, dissertations, monographs, congresses or books;

iv) absence of an empirical research. Based on Serenjo, Bontis and Hull (2011), even if

the practitioners of the subject are actively involved in the field development, the total

contribution for the body of knowledge has decreased gradually.

Finally, as recommendations for future researches is recommended: i) the usage of more

data bases from the Capes portal; ii) considering national data bases; iii) considering other

works like theses, dissertations, books and scientific congresses; and, iv) making of

empirical research based on the construct of intellectual capital and research

opportunities.

References

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BROOKING, A. Intellectual Capital: Core Assets for the Third Millennium Enterprise. Thomson

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BUKOWITZ, W. R.; WILLIAMS, R. L. Manual de gestão do conhecimento: ferramentas e técnicas que

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Bookman, 2002.

CAPELLO, R. Spatial and Sectoral characteristics of relational capital in innovation activity. European

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CAPELLO, R.; FAGGIAN, A. Collective learning and relational capital in local innovation process.

Regional Studies, v. 39, n. 1, p. 75-87, 2005.

CHEN, Y. S. The positive effect of green intellectual capital on competitive advantages of firms. Journal

of Business Ethins, vol. 77, 2008, p. 271-286.

CRAWFORD, R. Na era do capital humano. São Paulo: Atlas, 1994.

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