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This paper considers and discusses the effects of personalized pricing, focusing on the issues of consumer welfare and discrimination costs. Following the framework of price discrimination theory, we can say that the firms utilizing consumer big data ultimately aim at first-degree price discrimination in the long run while we will observe first the...

This paper estimates a multi-level demand system based on Hausman, Leonard and Zona (1994) and apply the results to delineate the antitrust market for soft drinks regarding the KFTC’s cartel case in 2009. The results show that the market definition should be narrower than the soft drink as a whole, which is in contrast with the claim made by the KF...

We analyze competition between platforms under asymmetric access costs. Agents that belong to one platform do not pay access costs, but agents that participate in other platforms pay a positive access cost. An example is competition between application stores for mobile smart phones, because application users can pay for additional access costs to ...

We provide an overview of recent developments in the antitrust debate in the United States. Chief among the developments is the emergence of the New Brandeis Movement. It has been widely argued that global planforms such as Google, Amazon, Facebook and Apple gained substantial monopoly power, while it is equally arguable that the current Antitrust ...

Zero-rating refers to a plan or plan option that allows end users of the Internet to use the data they consume to access content of a specific content provider free of charge, that is, free of charge for data transmission. Zero-rating has pro-competitive effects such as increasing internet access and contents use, and increasing platform sales and ...

We examine the effect of bid rigging under the limited lowest price bidding system that divides intervals of bidding prices. A main characteristic of the limited lowest price bidding system is that a reserved price is randomly determined and there is not a pure Nash equilibrium about choosing bidding prices. Thus, bidding firms have uncertainty abo...

This paper aims to examine the effects of the captive market on the upstream affiliated firm\'s productivity and sales growth. We restrict the sample to the Chaebol firms in the SI industry for the period of the year 2009 to the year 2017. The key findings are summarized as follows. First, based on DEA(data envelopment analysis), we find that the c...

We consider and discuss the effects of personalized pricing, focusing on the issues of consumer welfare and discrimination costs. Following the framework of price discrimination theory, we can say that the firms utilizing consumer big data ultimately aim at first-degree price discrimination in the long run while we will observe first the transition...

Globally and domestically, more strict regulation and antitrust enforcement on digital platforms are demanded by academics and competition policy authorities. This paper aims to examine from economics point of view the supporting arguments and institutional arrangements targeted toward digital platforms. It critically analyze a number of New-Brande...