We examined whether people conform to or diverge from the most popular choice among their friends by conducting a large-scale field experiment on a leading social-networking site in China. Our setting allowed us to minimize confounding effects such as pre-existing taste similarities between a...

The literature of private provision of public goods suggests that incentive to contribute is inversely related to group size. This paper empirically tests this relationship using field data from Chinese Wikipedia, an online encyclopedia. We exploit an exogenous reduction in group size as a...

The literature on the private provision of public goods suggests an inverse relationship between incentives to contribute and group size. We find, however, that after an exogenous reduction of group size at Chinese Wikipedia, the nonblocked contributors decrease their contributions by 42.8...

The Asian financial crisis has devastated East Asia in many aspects. While social unrest was witnessed in some states, social problems have arisen in others because of the reforms undertaken. States undergoing reforms are learning their lessons at a very expensive price. These are lessons...

In the mid-1990s, productivity growth accelerated sharply in the U.S. economy. In this paper, we identify several other changes that have occurred during the same time and argue that they are consistent with an increased use of information technology (IT) in general and enterprise IT in...

<Para ID="Par1">Emerging location-based services in social media tools such as Foursquare and Twitter are providing an unprecedented amount of public-generated data on human movements and activities. This novel data source contains valuable information (e.g., geo-location, time and date, type of places) on...</para>

Platform owners sometimes enter complementors' product spaces to compete against them directly. Prior studies have offered two possible explanations for such entries: platform owners may target the most successful complementors so as to appropriate value from their innovations, or they may...

We study the impact of US quantitative easing (QE) on both the emerging and advanced economies, estimating a global vector error correction model (GVECM). We focus on the effects of reductions in the US term and corporate spreads. The estimated effects of QE are sizeable and vary across...

This article analyses the effect of the asset purchase programmes implemented by the Federal Reserve and the Bank of England in the wake of the global financial crisis on market- and survey-based measures of inflation expectations. The analysis suggests that central bank asset purchases did have...