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OTT streaming services have been restructuring the global multimedia industry, and there have been strategic actions and reactions among OTT players and traditional pay-TV platforms. This study found that Pricing and Content investments are key factors affecting market share and subscribership in global OTT markets, and M&As have positive effects on the two performance measures, although with less statistical confidence. OTT-specialized firms in the UK, Germany, France, Japan, and South Korea did not expand subscribers to the same extent as those in the US, but they were able to expand their market share in the UK and Germany while failing to increase it in the other three countries. Local OTT players, especially those in Europe and Asia, might need to be more strategic in coping with US-based firms' expansion by materializing the positive interaction effects among the three strategies to increase both their subscriber base and market share. • This paper analyzes the effects of three strategies on OTT platform performance: Pricing, M&As, and Content investments. • Pricing and Content investments are key factors affecting market share and subscribership in global OTT markets. • OTT-specialized firms not in the US did not expand subscribers to the same extent as those in the US. [ABSTRACT FROM AUTHOR]

Covid-19 has driven us abruptly to a new world of contactless society. It also compelled us to use online shopping, especially mobile shopping in South Korea, where the dominant mode of wireless communication was already 4G services when Covid-19 broke out. This paper examines the different roles of mobile networks and the Covid-19 pandemic in transforming mobile shopping submarkets in South Korea by estimating the long-term and short-term effects of these two factors on mobile shopping sales. We used a cointegration and an error correction model to estimate long-term and short-term effects separately. This paper finds that Covid-19 was a major short-term factor affecting sales in mobile shopping submarkets, while mobile network subscribers were a key long-term driving factor of mobile shopping sales growth. • We estimated the effects of mobile networks and Covid-19 on mobile shopping sales in South Korea. • Covid was a short-term factor affecting mobile shopping sales, while mobile network subscribers were a long-term driving factor. • This paper used a cointegration and an error correction model to estimate long-term and short-term effects separately. [ABSTRACT FROM AUTHOR]

Competitive pressures created by the global market, and the demonstration of market potential in one country influences the incentives to adopt successful technologies and business models in similar countries. In this paper, we explore how mobile payment operation models might evolve in China, using the more mature Japanese and South Korean markets for comparison. Comparing existing business models in the three countries, we argue that regulation has affected both the industry structure and the vertical linkages of the different participants in the mobile payments ecosystem. We predict that rather than converging onto the mobile payment models of Japan or South Korea, the Chinese mobile payment industry is likely to see the coexistence of competing business models in the intermediate term. We attribute this to the contradictory incentives created by Chinese financial sector regulation for the participants in the mobile payments industry. [ABSTRACT FROM AUTHOR]

In a cluster market, many related and unrelated products or services are sold. Examples of players in cluster markets are Tesco, Sears, Carrefour, Walmart, JCPenny, and Meijer. Because of some unique characteristics of cluster markets, studies of cluster market definition have been very scant. This paper reviews the market definition issues of cluster markets, proposes a statistical market definition method for cluster markets, and applies the method to the Korean Internet portal service market. The method uses all available information on cluster markets without oversimplifying market data. The results of analyses show that the Korean Internet portals can be seen as one market even though the third ranked player in the Korean Internet portal service market, Nate, is more akin to a specialty service provider, not a player competing in the cluster market squarely with Naver and Daum. [ABSTRACT FROM AUTHOR]