Cookhwan Kim

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Personalization is a strategic tool for product or service differentiation, especially when competition is keen in the market. Many personalization strategies have been developed and realized with this in mind. Little is known about the impact of different personalization strategies, regarding different personalization dimensions on customer retention,(More)
0957-4174/$ see front matter 2010 Elsevier Ltd. A doi:10.1016/j.eswa.2010.09.090 ⇑ Corresponding author. Tel.: +82 2 880 8335; fax: E-mail address: (C. Kim). The online marketplace, in the form of an ‘‘open market” where a very large number of buyers and sellers participate, has occupied a rapidly increasing position in e-commerce,(More)
In paid search advertising on Internet, advertisers bid for specific keywords. Consumer involvement affects a consumer’s purchase intention. However, there has been no research on selecting keywords in paid search advertising depending on consumer involvement from the advertisers’ perspective. Our paper investigates the effects of several factors including(More)
This paper proposes a forecasting method for court auction information system using logistic regression model with heterogeneity across the multiple round. The goal is to predict whether an individual auction item in a certain round will be sold or not. A simple linear regression and the least angle regression (LARS) containing random effect terms were used(More)
Online marketplace, taken the form of ‘‘open market’’ where a very large number of buyers and sellers participate, has occupied a rapid increasing position in e-commerce, which resulting in sellers’ increasing investment on online advertising. Hence, there is a growing need to identify the effectiveness of online advertising in the online marketplaces such(More)
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