ABSTRACT This research paper focused on the corporate restructuring of Nippon Telegraph Telecommunication (NTT Group) under the pure holding company structure in 1999 and its implications. In order to understand the holding company structure, we introduced the concept of "internal capital...

This study uses unique division-level data of Japanese firms to examine how foreign direct investment (FDI) affects domestic employment. Contrary to most previous studies focusing on the effect on net employment growth, we decompose it into gross job creation and gross job destruction. We find...

This thesis consists of five related essays which explore new approaches to help design successful and profitable new products. The primary focus is the front end of the process where the product development team is seeking improved input from customers and improved ideas for developing products...

We empirically study the motivations of users to contribute content to social media in the context of the popular microblogging site Twitter. We focus on noncommercial users who do not benefit financially from their contributions. Previous literature suggests that there are two main types of...

Social commerce is an emerging trend in which sellers are connected in online social networks and sellers are individuals instead of firms. This article examines the economic value implications of a social network between sellers in a large online social commerce marketplace. In this...

Social commerce is an emerging trend in which online shops create referral hyperlinks to other shops in the same online marketplace. We study the evolution of a social commerce network in a large online marketplace. Our dataset starts before the birth of the network (at which points shops were...

We present two game theoretic models on resource allocation in epidemic control and waiting time competition in service management. The first model considers the drug allocation problem when facing the outbreak of an international influenza pandemic. The drugs are for prophylactic use. Since...

This dissertation consists of a theory essay and an empirical essay that investigate a firm's decision to buy or sell corporate assets. It seeks to answer the following research questions: (1) why do firms choose to buy or sell assets? (2) what makes assets in an industry more likely to be...