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This research paper aims to analyze the stock exchanges of developed, emerging and developing countries to investigate the volatility in stock markets and to evaluate the rate of mean reversion.

The stock exchanges included in the research are NASDAQ, Tokyo stock exchange, Shanghai stock exchange, Bombay stock exchange, Karachi stock exchange and Jakarta stock exchange. Secondary daily data from Bloomberg are used to conduct the research for the period from January 2011 to December 2018. Generalized autoregressive conditional heteroskedasticity (GARCH) (1,1) model was applied to examine volatility and the half-life formula was used to calculate mean reversion in days.

The research concluded that all the stock exchanges included in the research satisfy the assumptions of mean reversion. Developing countries have the lowest volatility while emerging countries have the highest volatility which means that the rate of mean reversion is fastest in developing countries and slowest in emerging countries.

Future studies can determine the reasons for fastest rate of mean reversion in developing countries and slowest rate of mean reversion in emerging countries.

Developing countries show the lowest mean reversion in days while the emerging countries show the highest mean reversion in days indicating that developing countries take less time to revert to their mean position.

The majority of previous studies on univariate volatility models are mostly on applications of the models. Only a few researchers have taken the robustness of the models into account when applying them in emerging countries and not in developed, developing and emerging countries in one place. This makes the current study unique and more rigorous.

The authors examine the volatility connections between the equity markets of China and its trading partners from developed and emerging markets during the various crises episodes (i.e. the Asian Crisis of 1997, the Global Financial Crisis, the Chinese Market Crash of 2015 and the COVID-19 outbreak).

The authors use the GARCH and Wavelet approaches to estimate causalities and connectedness.

According to the findings, China and developed equity markets are connected via risk transmission in the long term across various crisis episodes. In contrast, China and emerging equity markets are linked in short and long terms. The authors observe that China leads the stock markets of India, Indonesia and Malaysia at higher frequencies. Even China influences the French, Japanese and American equity markets despite the Chinese crisis. Finally, these causality findings reveal a bi-directional causality among China and its developed trading partners over short- and long-time scales. The connectedness varies across crisis episodes and frequency (short and long run). The study's findings provide helpful information for portfolio hedging, especially during various crises.

The authors examine the volatility connections between the equity markets of China and its trading partners from developed and emerging markets during the various crisis episodes (i.e. the Asian Crisis of 1997, the Global Financial Crisis, the Chinese Market Crash of 2015 and the COVID-19 outbreak). Previously, none of the studies have examined the connectedness between Chinese and its trading partners' equity markets during these all crises.

The present research study aims to explore the impact of the most recent Israeli–Palestinian conflict, which unfolded in October 2023, on global equity markets, including a wide range of both emerging and developed markets (as per the Morgan Stanley Capital Investment country classification).

The market model of event study methodology, with an estimation window of 200 days and 28-day event window (including event day, i.e. October 7, 2023), has been employed to investigate the event’s impact on the stock markets of different countries, with 24 emerging countries and 23 developed countries. The daily closing prices of the prominent indices of all 47 countries have been analyzed to examine the impact of the conflict on emerging markets, developed markets and overall global equity markets. Additionally, cross-sectional regression analysis has been performed to investigate the possible explanations for abnormal returns.

The findings of the study suggest the heterogeneous impact of the selected event on different markets. Notably, emerging markets and the overall global equity landscape exhibited substantial negative responses on the event day, as reflected in average abnormal returns of −0.47% and −0.397%, respectively. In contrast, developed markets displayed resilience, with no significant negative impact observed on the day of the event. A closer examination of individual countries revealed diverse reactions, with Poland, Egypt, Greece, Denmark and Portugal standing out for their positive or resilient market responses. Poland, in particular, demonstrated significantly positive cumulative abnormal returns (CARs) of 7.16% in the short-term and 8.59% in the long-term event windows (−7, +7 and −7, +20, respectively), emphasizing its robust performance amid the geopolitical turmoil. The study also found that, during various event windows, specific variables had a significant impact on the CARs.

The study suggests diversification and monitoring of geopolitical risks are key strategies for investors to enhance portfolio resilience during the Israeli–Palestinian conflict. This study identifies countries such as Poland, Egypt, Greece, Denmark and Portugal with positive or resilient market reactions, providing practical insights for strategic investment decisions. Key takeaways include identifying resilient markets, leveraging opportunistic strategies and navigating market dynamics during geopolitical uncertainties.

As per the authors’ thorough investigation and review of the literature, the present study is the earliest attempt to explore the short-term and long-term impact of the 2023 Israeli–Palestinian conflict on equity markets worldwide using the event study approach and cross-sectional regression analysis.

This paper contributes to the literature on exchange rate exposure by assessing the extent to which exchange rate risk is priced in both African emerging and developed equity markets. It examines whether this risk leads to a premium or discount in market returns. The study uses the United States and South Africa as representatives for developed and emerging economies, respectively.

The paper employs two-factor and three-factor conditional CAPM approaches with a two-stage estimation process. In the first stage, time-varying risk exposures are derived using the ICAPM model estimated through rolling regression. In the second stage, the impact of these risk exposures, particularly exchange rate risk exposure, is assessed on stock market returns using Generalized Linear Model (GLM) regression.

Unlike previous studies that suggest exchange rate risk is not necessarily priced in the equity market due to hedging, this paper finds that exchange rate risk is indeed priced in both African and developed equity markets, albeit to different extents. The African equity market demands a higher premium compared to the developed equity market.

The findings of this paper have significant implications for policymakers, asset managers, and investors. They provide insights for making more informed decisions, implementing effective risk management strategies, and fostering a more stable and appealing investment environment.

To the best of our knowledge, this is the first study to evaluate the degree of exchange rate exposure in environments characterized by high currency volatility versus those with low volatility, all within the context of the conditional ICAPM model.

This study aims to examine stock price synchronicity during the COVID-19 crisis using 32,452 firms from 61 countries. This paper explores the impact of government effectiveness on synchronicity while distinguishing between developed and emerging markets.

The research analysis employs ordinary OLS pooled regression analysis.

This paper presents worldwide evidence that stock price synchronicity was significantly higher during February and March 2020. This paper shows that synchronicity increased with the intensity of the crisis. In addition, the government's role reduced the COVID-19 impact on synchronicity, which was stronger in developed markets than in emerging markets.

The novelty of the study lies in documenting the impact of the COVID-19 pandemic on stock price synchronicity. The findings add to a deeper understanding of market behavior amid significant disruptive shocks.

This paper aims to elucidate the relationship between entrepreneurial orientation, reverse innovation and international performance of emerging economy multinational enterprises (EMNEs).

The authors analyze archival data of Chinese limited companies between 2010 and 2016, including 11,230 firm-year observations about 1708 firms. In order to test the study’s mediation hypotheses, the authors apply an ordinary least square (OLS) regression.

The authors find evidence that the entrepreneurial orientation of EMNEs has a positive effect on reverse innovations. Furthermore, the authors find positive effects of reverse innovation on the international performance of EMNEs. This pattern of results suggests that the relationship between entrepreneurial orientation and international performance is partially mediated by reverse innovation.

The study’s findings help managers in EMNEs to promote reverse innovation by building and using their entrepreneurial orientation. It also helps them to set out and gauge the chances of success of their internationalization strategies. The findings also hold relevance for firms in developed economies as well, as they may understand which emerging economy competitors stand to threaten their positions.

The strategic role of reverse innovations – i.e. clean slate, super value and technologically advanced products originating from emerging markets – has generated considerable research attention. It is clear that reverse innovations impact the international performance of EMNEs. Yet how entrepreneurial orientation influences international performance is still underexplored. Thus, the current study clarifies the mechanism by examining and testing the mediating role of reverse innovation among the entrepreneurial orientation–international performance link.

Leveraging signalling theory and institutional environment theory, this study aims to examine how the entrepreneurial orientation of emerging market firms impacts initial public offering (IPO) performance.

The authors conduct regression analysis based on archival data from 312 firms’ IPOs in India.

The results in the Indian context suggest it differs from IPO performance in developed markets. In an emerging market context, the findings suggest that only competitive aggressiveness is valued by investors in IPOs. The findings further show that proactiveness and autonomy negatively influence IPO underpricing.

The research propositions imply that, owing to institutional voids in emerging markets, investors’ risk propensity and, hence, rewarding a firm’s entrepreneurial orientation differ from those in developed markets.

Extant literature has given limited attention to the dynamics of entrepreneurial orientation and the effect of each dimension of entrepreneurial orientation on IPO performance in emerging markets.

This study proposes a portfolio of new venture signals that are likely to attract investors' attention in the context of an emerging market and examines how they work in combination to affect the likelihood of obtaining funding.

The authors use data on early-stage venture capital investments for high-tech start-ups in Turkey. The authors adopt a configurational approach and use fuzzy QCA and regression analysis.

The findings suggest that financing of new ventures in an emerging economy is shaped by signals of context-specific capabilities that are required to survive and thrive in this market environment alongside and in interaction with signals of general capabilities required for business success. Different combinations of these signals provide equifinal pathways to obtain funding. Furthermore, signals that differ in type and content interact in complex ways to affect investors' decisions.

The findings suggest that entrepreneurs with no prior experience in the emerging market context can increase their chances of obtaining funding by affiliating with a venture development organization. Another promising strategy is to form a founding team that includes members affiliated with a developed country together with members who have emerging market experience. Finally, entrepreneurs may consider combining signals of context-specific capabilities with signals of general capabilities as they work in a complementary way to attract funding.

This study addresses two major shortcomings of the literature on new venture signaling, first, by positing the emerging market context as a unique signaling environment and, second, by demonstrating the value of considering signals as portfolios with potential interdependencies.

The improper disposal of potentially harmful products is a problem that affects both developed and emerging countries. Using the Values-Beliefs-Norms (VBN) theory, this research attempts to uncover the key differences and similarities between both contexts and to extend the theory to include trust-in-government (TIG) as a moderating variable.

The data used in this study were drawn from two samples: Mexicans and Americans by administering a paper and pencil survey. To test the conceptual model and to contrast the results, partial least squares (PLS-SEM) and multigroup analysis were used.

This research finds that consumers in emerging countries like Mexico are less likely to act on their beliefs to engage in protesting behaviors when confronted with an environmental problem such as the improper disposal of potentially harmful products. Consumers on both sides of the border are more likely to engage in consumer activism behaviors if social economic norms (SEN) are considered. Furthermore, the multi-group analysis revealed that US consumers' TIG moderates the relationship between awareness of consequences (AC) and consumer activism intention (CAI) contrasting with Mexican consumers where such moderating relationship does not exist.

This research makes a significant contribution to the literature by evaluating TIG as an important predictor of consumer activism behaviors. TIG can significantly affect consumer activism behaviors in the United States, but not in Mexico. It also demonstrates that SEN rather than social benefit norms (SBN) can trigger CAI in both samples.

This paper aims to discuss the effect of Canada’s regulatory framework on the strategies of entrepreneurial businesses during the first phase of legalization of the recreational cannabis industry. Decriminalization of cannabis required a host of regulatory changes at the federal, provincial and municipal levels. Each province developed legal markets independently, differentially impacting entrepreneurial strategies. This paper describes the value chain that emerged in the first phase of the nascent industry, focusing on the actions of the businesses.

The authors develop a qualitative narrative analysis using government publications, press articles (especially from the business press) and personal communications of industry insiders speaking in public settings. The paper includes four short case studies to illustrate the emerging value chain of the nascent industry.

The study’s findings highlight the effect of regulatory frameworks on entrepreneurial strategies. We find that public policies had a significant impact on entrepreneurs and startup strategies. Inter-jurisdictional differences limited expansion into different provinces, with implications for regional economic development. Achieving public policy goals was delayed as a result of regulatory challenges that impacted industry development.

The authors’ findings show enterprises may develop growth strategies that comply with regulations when participating in nascent industries, but they must cope with extra risks, capital costs and uncertainty. The analysis also illustrates the value of engaging in government-industry collaboration to improve emerging regulatory frameworks.

The originality of this research consists of the detailed description of the first phase of Canada’s legalized recreational cannabis industry and the insight gained into the dynamics of nascent industries.