H. I. Ansoff, Strategies for diversification, Harvard Business Review, vol.35, pp.113-124, 1957.

H. L. Ansoff, Francisco Martí Gilabert. <italic>El motin de Aranjuez</italic>. (Colección histórica de la Universidad de Navarra, Number 24.) Pamplona: Ediciones Universidad de Navarra, Consejo Superior de Investigaciones Cientificas. 1972. Pp. 477 and Angel Martínez de Velasco. <italic>La Formación de la Junta Central</italic>. (Colección histórica de la Universidad de Navarra, Number 25.) Pamplona: Ediciones Universidad de Navarra, Consejo Superior de Investigaciones Cientificas. 1972. Pp. 223, The American Historical Review, 1973.

V. Bamiatzi, S. T. Cavusgil, L. Jabbour, and R. R. Sinkovics, Does business group affiliation help firms achieve superior performance during industrial downturns? An empirical examination, International Business Review, vol.23, issue.1, pp.195-211, 2014.

M. R. Binks and C. T. Ennew, Growing firms and the credit constraint, Small Business Economics, vol.8, issue.1, pp.17-25, 1996.

A. Borda, J. Geleilate, W. Newburry, and S. K. Kundu, Firm internationalization, business group diversification and firm performance: The case of Latin American firms, Journal of Business Research, vol.72, pp.104-113, 2017.

D. M. Brown and S. Laverick, Measuring corporate performance, Long Range Planning, vol.27, issue.4, pp.89-98, 1994.

J. P. Campbell, On the nature of organizational effectiveness, Pennings, & associates, New perspectives on organizational effectiveness, pp.13-55, 1977.

M. Carney, E. R. Gedajlovic, P. P. Heugens, M. Van-essen, and J. (. Van-oosterhout, Business Group Affiliation, Performance, Context, and Strategy: A Meta-analysis, Academy of Management Journal, vol.54, issue.3, pp.437-460, 2011.

C. Carreira and F. Silva, Where are the fragilities? The relationship between firms' financial constraints, size, and age, Chapter 10 in Managing structural changes-trends and requirements, vol.1, pp.184-198, 2012.

R. B. Carton and C. W. Hofer, Measuring Organizational Performance, Metrics for entrepreneurship in strategic management research, 2006.

A. Chacar and B. Vissa, Are emerging economies less efficient? Performance persistence and the impact of business group affiliation, Strategic Management Journal, vol.26, issue.10, pp.933-946, 2005.

A. Chakrabarti, K. Singh, and I. Mahmood, Diversification and performance: evidence from East Asian firms, Strategic Management Journal, vol.28, issue.2, pp.101-120, 2006.

S. J. Chang and U. Choi, Strategy, Structure and Performance of Korean Business Groups: A Transactions Cost Approach, The Journal of Industrial Economics, vol.37, issue.2, p.141, 1988.

S. Chang, C. Chung, and I. P. Mahmood, When and How Does Business Group Affiliation Promote Firm Innovation? A Tale of Two Emerging Economies, Organization Science, vol.17, issue.5, pp.637-656, 2006.

S. Chatterjee and B. Wernerfelt, The link between resources and type of diversification: Theory and evidence, Strategic Management Journal, vol.12, issue.1, pp.33-48, 1991.

R. Chittoor, P. Kale, and P. Puranam, Business groups in developing capital markets: Towards a complementarity perspective, Strategic Management Journal, vol.36, issue.9, pp.1277-1296, 2014.

S. Claessens, S. Djankov, J. P. Fan, and L. H. Lang, Disentangling the Incentive and Entrenchment Effects of Large Shareholdings, The Journal of Finance, vol.57, issue.6, pp.2741-2771, 2002.

J. Cohen, P. Cohen, S. G. West, and L. S. Aiken, Applied Multiple Regression/Correlation Analysis for the Behavioral Sciences, 2014.

D. J. Denis, D. K. Denis, and K. Yost, Global Diversification, Industrial Diversification, and Firm Value, The Journal of Finance, vol.57, issue.5, pp.1951-1979, 2002.

S. Douma, R. George, and R. Kabir, Foreign and domestic ownership, business groups, and firm performance: evidence from a large emerging market, Strategic Management Journal, vol.27, issue.7, pp.637-657, 2006.

B. Elango, C. Pattnaik, and J. R. Wieland, Do business group characteristics matter? An exploration on the drivers of performance variation, Journal of Business Research, vol.69, issue.9, pp.3205-3212, 2016.

D. Ellouze and K. Mnasri, Risk-taking behaviour of family firms: evidence from Tunisia, International Journal of Entrepreneurship and Small Business, vol.39, issue.1/2, p.192, 2020.
URL : https://hal.archives-ouvertes.fr/hal-02999642

S. M. Fazzari, R. G. Hubbard, B. C. Petersen, A. S. Blinder, and J. M. Poterba, Financing Constraints and Corporate Investment, Brookings Papers on Economic Activity, vol.1988, issue.1, p.141, 1988.

J. D. Ford and D. A. Schellenberg, Conceptual Issues of Linkage in the Assessment of Organizational Performance, Academy of Management Review, vol.7, issue.1, pp.49-58, 1982.

A. S. Gaur and V. Kumar, International Diversification, Business Group Affiliation and Firm Performance: Empirical Evidence from India, British Journal of Management, vol.20, issue.2, pp.172-186, 2009.

P. Ghemawat and T. Khanna, The Nature of Diversified Business Groups: A Research Design and Two Case Studies, The Journal of Industrial Economics, vol.46, issue.1, pp.35-61, 2003.

R. Gopalan, V. Nanda, and A. Seru, Affiliated firms and financial support: Evidence from Indian business groups, Journal of Financial Economics, vol.86, issue.3, pp.759-795, 2007.

M. Guillen, Business Groups in Emerging Economies: A Resource-Based View, Academy of Management Journal, vol.43, issue.3, pp.362-380, 2000.

L. Gunduz and E. Tatoglu, A comparison of the financial characteristics of group affiliated and independent firms in Turkey, European Business Review, vol.15, issue.1, pp.48-54, 2003.

A. Hernández-trasobares and C. Galve-górriz, Diversification and family control as determinants of performance: A study of listed business groups, European Research on Management and Business Economics, vol.23, issue.1, pp.46-54, 2017.

R. E. Hoskisson, A. A. Cannella, L. Tihanyi, and R. Faraci, Asset restructuring and business group affiliation in French civil law countries, Strategic Management Journal, vol.25, issue.6, pp.525-539, 2004.

R. E. Hoskisson, R. A. Johnson, L. Tihanyi, and R. E. White, Diversified Business Groups and Corporate Refocusing in Emerging Economies, Journal of Management, vol.31, issue.6, pp.941-965, 2005.

S. Johnson, R. La-porta, F. Lopez-de-silanes, and A. Shleifer, Tunneling, American Economic Review, vol.90, issue.2, pp.22-27, 2000.
URL : https://hal.archives-ouvertes.fr/hal-01987625

G. Johnson, K. Scholes, and R. Whittingtton, Exploring corporate strategy, 2006.

D. Ellouze and K. Mnasri, Business group diversification, financial constraints and firm performance: the case of Tunisian group affiliated firms, Journal of Management and Governance, vol.24, issue.1, pp.273-301, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02999646

R. M. Kanter and D. Brinkerhoff, Organizational Performance: Recent Developments in Measurement, Annual Review of Sociology, vol.7, issue.1, pp.321-349, 1981.

S. F. Karabag and C. Berggren, Antecedents of firm performance in emerging economies: Business groups, strategy, industry structure, and state support, Journal of Business Research, vol.67, issue.10, pp.2212-2223, 2014.

F. Kaulich, United Nations Industrial Development Organization (UNIDO), 1987.

B. L. Kedia, D. Mukherjee, and S. Lahiri, Indian business groups: Evolution and transformation, Asia Pacific Journal of Management, vol.23, issue.4, pp.559-577, 2006.

T. Khanna and K. Palepu, The Future of Business Groups in Emerging Markets: Long Run Evidence from Chile, SSRN Electronic Journal, vol.75, pp.41-51, 1999.

T. Khanna and K. Palepu, THE FUTURE OF BUSINESS GROUPS IN EMERGING MARKETS: LONG-RUN EVIDENCE FROM CHILE., Academy of Management Journal, vol.43, issue.3, pp.268-285, 2000.

T. Khanna and K. Palepu, Is Group Affiliation Profitable in Emerging Markets? An Analysis of Diversified Indian Business Groups, The Journal of Finance, vol.55, issue.2, pp.867-891, 2000.

T. Khanna and J. W. Rivkin, Estimating the performance effects of business groups in emerging markets, Strategic Management Journal, vol.22, issue.1, pp.45-74, 2000.

Y. Kim and S. S. Lui, The impacts of external network and business group on innovation: Do the types of innovation matter?, Journal of Business Research, vol.68, issue.9, pp.1964-1973, 2015.

H. Van-kranenburg, J. Hagedoorn, and J. Pennings, Measurement of International and Product Diversification in the Publishing Industry, Journal of Media Economics, vol.17, issue.2, pp.87-104, 2004.

L. H. Lang and R. M. Stulz, Tobin's Q, corporate diversification, and firm performance, Journal of Political Economy, vol.102, pp.1248-1280, 1994.

N. Leff, Industrial Organization and Entrepreneurship in the Developing Countries: The Economic Groups, Economic Development and Cultural Change, vol.26, issue.4, pp.661-675, 1978.

R. Lensink and R. Van-der-molen, Does group affiliation increase firm value for diversified groups?, Journal of Empirical Finance, vol.17, issue.3, pp.332-344, 2010.

K. V. Lins and H. Servaes, Is Corporate Diversification Beneficial in Emerging Markets?, Financial Management, vol.31, issue.2, p.5, 2002.

C. F. Loderer and U. Waelchli, Firm Age and Performance, SSRN Electronic Journal, 2009.

I. P. Mahmood, H. Zhu, and E. J. Zajac, Where can capabilities come from? network ties and capability acquisition in business groups, Strategic Management Journal, vol.32, issue.8, pp.820-848, 2010.

K. S. Manikandan and J. Ramachandran, Beyond institutional voids: Business groups, incomplete markets, and organizational form, Strategic Management Journal, vol.36, issue.4, pp.598-617, 2014.

J. G. March and R. I. Sutton, Crossroads?Organizational Performance as a Dependent Variable, Organization Science, vol.8, issue.6, pp.698-706, 1997.

J. D. Martin and A. Sayrak, Corporate diversification and shareholder value: a survey of recent literature, Journal of Corporate Finance, vol.9, issue.1, pp.37-57, 2003.

C. A. Montgomery, Capital Structure and Market Power, Capital Structure and Firm Performance, pp.53-63, 2017.

C. A. Montgomery, The Measurement of Firm Diversification: Some New Empirical Evidence, Academy of Management Journal, vol.25, issue.2, pp.299-307, 1982.

E. Müller and V. Zimmermann, The importance of equity finance for R&D activity, Small Business Economics, vol.33, issue.3, pp.303-318, 2008.

T. M. Mursitama, Creating relational rents: The effect of business groups on affiliated firms? performance in Indonesia, Asia Pacific Journal of Management, vol.23, issue.4, pp.537-557, 2006.

D. Nathanson and J. Cassano, Organization, diversity, and performance. The Wharton Magazine, pp.19-26, 1982.

P. R. Nayyar, On the measurement of corporate diversification strategy: Evidence from large U.S. service firms, Strategic Management Journal, vol.13, issue.3, pp.219-235, 1992.

R. R. Nelson and S. J. Winter, An evolutionary theory of economic change, 1982.

P. Nguyen, Corporate governance and risk-taking: Evidence from Japanese firms, Pacific-Basin Finance Journal, vol.19, issue.3, pp.278-297, 2011.

M. Orlitzky, F. L. Schmidt, and S. L. Rynes, Corporate Social and Financial Performance: A Meta-Analysis, Organization Studies, vol.24, issue.3, pp.403-441, 2003.

, African Economic Outlook 2013 (Summary in Chinese), 2013.

K. Palepu, Diversification strategy, profit performance and the entropy measure, Strategic Management Journal, vol.6, issue.3, pp.239-255, 1985.

L. E. Palich, L. B. Cardinal, and C. C. Miller, Curvilinearity in the diversification-performance linkage: an examination of over three decades of research, Strategic Management Journal, vol.21, issue.2, pp.155-174, 2000.

E. Penrose, The theory of the growth of the firm, 1959.

E. C. Perotti and S. Gelfer, Red barons or robber barons? Governance and investment in Russian financial?industrial groups, European Economic Review, vol.45, issue.9, pp.1601-1617, 2001.

R. A. Pitts and H. D. Hopkins, Firm Diversity: Conceptualization and Measurement, Academy of Management Review, vol.7, issue.4, pp.620-629, 1982.

C. K. Prahalad and R. A. Bettis, The dominant logic: A new linkage between diversity and performance, Strategic Management Journal, vol.7, issue.6, pp.485-501, 1986.

J. Robins and M. F. Wiersema, A resource-based approach to the multibusiness firm: Empirical analysis of portfolio interrelationships and corporate financial performance, Strategic Management Journal, vol.16, issue.4, pp.277-299, 1995.

R. P. Rumelt, Strategy, structure and economic performance, 1974.

T. Schmid, A. K. Achleitner, M. Ampenberger, and C. Kaserer, Family firms and R&D behavior ? New evidence from a large-scale survey, Research Policy, vol.43, issue.1, pp.233-244, 2014.

J. Shyu, Ownership structure, capital structure, and performance of group affiliation, Managerial Finance, vol.39, issue.4, pp.404-420, 2013.

R. Subbady, Editor's Comments: Construct Clarity in Theories of Management and Organization, Academy of Management Review, vol.35, issue.3, pp.346-357, 2010.

D. J. Teece, Economies of scope and the scope of the enterprise, Journal of Economic Behavior & Organization, vol.1, issue.3, pp.223-247, 1980.

A. A. Thompson, A. J. Strickland, and J. E. Gamble, Developing the Service Strategy, Service Leadership: The Quest for Competitive Advantage, pp.93-118

P. R. Varadarajan and V. Ramanujam, DIVERSIFICATION AND PERFORMANCE: A REEXAMINATION USING A NEW TWO-DIMENSIONAL CONCEPTUALIZATION OF DIVERSITY IN FIRMS., Academy of Management Journal, vol.30, issue.2, pp.380-393, 1987.

N. N. Venkatraman and J. H. Grant, Construct Measurement in Organizational Strategy Research: A Critique and Proposal, Academy of Management Review, vol.11, issue.1, pp.71-87, 1986.

N. N. Venkatraman and V. Ramanujam, Measurement of Business Performance in Strategy Research: A Comparison of Approaches, Academy of Management Review, vol.11, issue.4, pp.801-814, 1986.

N. N. Venkatraman and V. Ramanujam, Measurement of Business Economic Performance: An Examination of Method Convergence, Journal of Management, vol.13, issue.1, pp.109-122, 1987.

B. Villalonga, Does Diversification Cause the 'Diversification Discount'?, SSRN Electronic Journal, vol.33, pp.5-27, 2000.

T. M. Whited, Is It Inefficient Investment that Causes the Diversification Discount?, The Journal of Finance, vol.56, issue.5, pp.1667-1691, 2001.

S. J. Winter, Knowledge and Competence as Strategic Assets, Knowledge and Strategy, pp.157-180, 1999.

S. A. Zahra, Entrepreneurial Risk Taking in Family Firms, Family Business Review, vol.18, issue.1, pp.23-40, 2005.

T. Zhang and J. Huang, The value of group affiliation: evidence from the 2008 financial crisis, International Journal of Managerial Finance, vol.9, issue.4, pp.332-350, 2013.

S. Zheng, Can corporate diversification induce more tax avoidance?, Journal of Multinational Financial Management, vol.41, pp.47-60, 2017.