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This paper aims to investigate the impact of market structure and market share on the performance of the Islamic banks operating in the Iranian banking system based on the structure-conduct-performance (SCP) paradigm.

The Iranian Islamic banking system’s market structure is evaluated by using the econometrics method to test the validity of the traditional SCP paradigm. For this purpose, the authors estimate a simple regression model that is consisted of several independent variables, such as the market share, bank size, real gross domestic product, liquidity and Herfindahl-Hirschman index as a proxy variable for concentration and one dependent variable, namely, the profit as a proxy for performance. The panel data includes a data sample of 22 Islamic banks operating from 2006 to 2019. Data are extracted from the balance sheet of Islamic banks and the time-series database of the Central Bank of Iran and World Bank.

The study’s findings indicate that both concentration and market share have a positive impact on the performance of banks in the Iranian Islamic banking system. This result is contradicted with both traditional SCP and efficient structure hypotheses; however, it confirms the existence of oligopoly or cartel in the Iranian Islamic banking system that few banks try to gain the highest share of profit and maintain their market share by colluding with each other. This result is in contradiction with other research studies about the market structure in the Iranian banking system that claimed that banks in Iran operate under monopolistic competition. In addition, it shows that the privatization of some banks in Iran does not improve and help competition in the Iranian banking system.

This paper is a pioneer empirical study analyzing the market structure, concentration and collusion based on the SCP paradigm in Iranian Islamic banking. The results of the study support the existence of collusive behavior among the Islamic bank in Iran that is not aligned with Sharia. This study clearly shows the difference between ideal Islamic banking and Islamic banking in practice in Islamic countries. This clearly indicates that only prohibiting some operations like receiving interest, gambling and bearing excessive risk is not enough. In fact, the Islamic banking system should be based on the Sharia rule in all aspects and much more modification and study have to be done to achieve an appropriate Islamic banking system. These possible modifications to overcome the issues of cartel-like market structure and collusive behavior in the Iranian Islamic banking system include making the Iranian banking system more transparent, letting foreign banks enter the Iranian banking system and minimizing the government intervention in the Iranian banking system.

The study aims to analyze factors impacting firms’ success and persistence in a digital platform competition using the structure-conduct-performance (SCP) framework. The study also includes real-life cases that are beneficial to academicians and practitioners to understand and develop strategies for success and persistence during uncertainty.

A literature review to identify the factors that impact success and persistence in a digital platform competition was conducted following Webster and Watson (2002). Findings were integrated into a SCP framework to examine and understand the identified factors’ relational impact.

While analyzing factors under the SCP framework, all factors were divided into three categories: those impacting positively, those impacting negatively and those with ambiguous impact on the success and persistence in digital platform competition. Digital platform firms can exploit the positively impacting factors to increase market share by being distinctive from other digital platform firms and becoming dominant by withstanding competition. On the other hand, negatively impacting factors increase barriers to entry, intensify competition and reduce the distinctiveness of digital platform firms. Lastly, a few factors may have either a positive or a negative impact depending upon the particular characteristics of the firm/industry.

The study opens the scope for future research on empirically testing the developed conceptual framework and relationships by developing propositions to posit the possible impact of these factors on digital platforms’ success and persistence.

The study contributed to the existing literature by using SCP framework to analyze the factors affecting firm’s success and persistence in a digital platform competition. Also, the study has discussed the relational impact of factors rather than their impact in isolation.

The structure‐conduct‐performance (SCP) paradigm was devised over half a century ago in an effort to contextualise and explain industry dynamics. However, the framework suffers from a number of shortcomings and, consequently, it has been criticised over the years. Yet, despite its weaknesses, it has survived its criticisms and is still used in industrial organisations (IOs) for the purposes of competitive analysis. In time, the framework has also been adopted by strategic management, and in the area of strategic groups it holds a prominent position in the literature. This study aims to address this issue.

The study is cross‐sectional and is based on primary research. It involves face‐to‐face semi‐structured interviews and the sample size is near to the sampling frame of the research.

The paper develops a cognitive dimension and, based on the findings of primary research, extends the framework in a manner that provides a better insight into competitive dynamics.

This article views the SCP paradigm from a strategic perspective and discusses its limitations.

The purpose of this paper is to examine the degree of concentration and efficiency in the Vietnamese banking system using the structural model.

The authors apply the concentration ratio (CR), Herfindahl‐Hirschman Index (HHI) and concentration‐profitability model based upon the Structure‐Conduct‐Performance (SCP) and Efficiency Hypothesis (EH) approaches to examine 48 Vietnamese commercial banks over the period 1999‐2009.

The authors' empirical results show that the Vietnamese banking industry has become substantially less concentrated; however, large commercial banks still dominate the whole banking system. Further, their results do not support either the traditional Structure‐Conduct‐Performance or the Efficiency Hypothesis.

The State Bank of Vietnam needs to have policies for restructuring the system and promoting competition in the banking sector of Vietnam.

This is the first such study of the Vietnamese banking system.

The paper uses annual and pooled data on Australian banks for the years 1994 to 1996 to test the two competing hypotheses of market structure and performance; namely, the structure‐conduct‐performance hypothesis (in concentrated markets firms derive higher profits due to collusion) and the efficiency hypothesis (firms derive higher profits because they are efficient). We test these two and other two intervening hypothesis in the context of the Australian banking market. The results reject the efficiency hypothesis and also the two intermediate hypotheses but there is a lack of strong evidence to reject the structure‐conduct‐performance hypothesis. The results are important because such an empirical investigation has not been conducted in Australia to date. The results suggest that it may be hard to defend abolishing the Four‐pillar Policy (which was a major recommendation of Wallis Report 1997) on efficiency grounds.

The purpose of this paper is to test the Porter hypothesis using the Structure–Conduct–Performance (SCP) framework for a panel data set of industries in New Zealand.

The authors developed a mutually exclusive classification of the process-led and product-led innovation strategies and examined their impact on SCP in the high (low) carbon emission industries.

The findings show that the high-level concentration provides more beneficial opportunities for product and geographical diversification that require a high level of R&D intensity. The authors find that in high-carbon emission industries, the product-led innovation strategies have a significant positive impact on the industry structure and performance which provide support for the Porter hypothesis.

The findings imply that competition effects firm-level investments, in particular, capital expenditure to address carbon emissions, as such investments give firms a head start over rivals, and increase their profit margin compared to other firms over time. Overall, the empirical results lend support to the Porter hypothesis and suggest that understanding of industries’ unique R&D attributes is critical to developing regulations to support industries in smaller economies.

It is the first study that examines the industry structure, R&D intensity and performance in a small developed economy of New Zealand.

In China, engineering insurance has been questioned as not being beneficial as expected. This paper seeks to further understand how China's engineering insurance industry functions and to provide a macro perspective explanation for engineering insurance's underdevelopment.

Three industrial organization hypotheses were extended to the engineering insurance context: structure conduct performance (SCP), relative market power (RMP) and efficiency structure (ES) hypotheses. This paper employed the Generalized Method of Moments (GMM) and Data Envelopment Analysis (DEA) bootstrap to test the hypotheses using panel data from 2008 to 2017.

The results suggest that the SCP paradigm is validated in China's engineering insurance market, indicating a concentrated market where the welfare of consumers (e.g. owners, contractors and designers) may be eroded. Several factors are identified to have significant impacts on engineering insurers' performance, such as the investment return, percentage of engineering business, the ratio of outstanding claims, the number of large contractors, market rivalry and entry barriers.

Despite the sheer size of China's construction industry and the urgent need to improve risk management, the insurance industry that serves construction firms engineering insurance is underdeveloped. Engineering insurance is yet to be understood from a macro perspective, which may reveal the underlying reasons for engineering insurance's underdevelopment. The industrial organization theories provided a theoretical framework to test the functioning of this specific industry. The disaggregated data (engineering line specific) is employed to ensure effective regulation and policymaking.

The purpose of this paper is to test market structure-performance hypothesis in banking industry in Kenya. Specifically, the structure-conduct-performance (SCP) and market efficiency hypotheses were examined to determine how market concentration and efficiency affect bank performance in Kenya.

The study used secondary data of 44 commercial banks operating from 2000 to 2009. Three proxies to measure bank performance were used while market concentration and market share were used as proxies for market structure. Market concentration was measured using two concentration measures; the concentration ratio of the four largest banks (CR₄) and Herfindahl-Hirschman Index, while market share was used as a proxy for efficiency. The study made use of generalized least square regression method.

The empirical results confirm that market efficiency hypothesis is a predictor of firm performance in the banking sector in Kenya and rejects the traditional SCP hypothesis. Thus, the results support the view that efficient banks maximize profitability.

The study provides insights into the role of efficiency in enhancing profitability in commercial banks in Kenya. It has managerial implication that profitable banks ought to be efficient and dispels the notion of collusive behavior as a precursor for profitability.

The paper fills an important gap in the extant literature by proving insights into what determines bank profitability in banking sector in Kenya. Although this area is rich in research, little work has been conducted in the developing economies and in particular no study in the knowledge has addressed this critical issue in Kenya.

The purpose of this paper is to extend existing and motivate future sustainable supply chain management (SCM) and logistics research by examining a structure-conduct-performance framework linking resource commitment to sustainable SCM, reverse logistics, and operational performance. A sustainable reverse logistics capability is investigated as mediating the performance benefits associated with resource commitments to sustainable SCM.

Survey methods and structural equation modeling were used to collect and analyze data from 180 supply chain professionals.

The results of a mediated model suggest that resource commitments may be used to develop a sustainable reverse logistics capability, reducing the environmental impact of reverse logistics activities. A strong sustainable reverse logistics capability results from resources committed specifically to sustainable reverse logistics and a commitment to the sustainability of the supply chain.

This study applied a purposefully general sampling procedure. Specific industries may have additional constraints (e.g. risk, transparency, governance factors) that directly impact reverse logistics. These constraints are limitations of the study as well as opportunities for future research. Resource commitment is critical to the success of an overall firm strategy to build a sustainable supply chain, especially when considering reverse logistics.

As managers examine the benefits of sustainable SCM, they must consider the resources required. For firms engaging in sustainable SCM, developing a sustainable reverse logistics capability is a key success factor for improved performance.

Given the growing acceptance and importance of sustainable SCM, this research provides insights to managers and academics regarding the key mediating role of a sustainable reverse logistics capability when integrated into existing and future supply chain research frameworks and processes.

The purpose of this paper is to examine the impact of the regulatory-driven market structure on firm pricing behaviour by testing the structure-conduct-performance (S-C-P) hypothesis for both life and non-life insurance markets in Ghana.

Using a panel data on 14 life and 22 non-life insurers from 2007 to 2011, the authors employed the Herfindahl Hirschman Index and concentration ratio as proxies for the S-C-P hypothesis while efficiency scores were estimated using the data envelopment analysis technique to proxy for the efficient structure (ES) hypothesis. The dependent variable, profitability was measured as return on assets while controlling for size, underwriting risk, leverage, GDP growth rate and inflation. The models were estimated using the panel corrected standard errors of Beck and Katz (1995) and random effects estimations.

The results from the empirical estimation provide ample evidence in support for ES hypothesis for both life and non-life insurance markets. While conflicting results was found for SCP hypothesis in the non-life insurance market, it was rejected in the life insurance market. The findings also point to an increasing level of competition in both life and non-life insurance industry in Ghana though they still remain concentrated with the life insurance sector having high levels of efficiency compared to the non-life sector.

The findings of the study will enhance the understanding of firm behaviour in the new markets created to shape regulatory and competition policies of the regulator to promote consumer welfare while ensuring a stable industry to enhance its role in economic development.

This is the first study to test the market power and efficient hypotheses on the insurance industry in Ghana. To the best of the author’s knowledge, this study is the first to examine the determinants of profitability in the non-life insurance market.