This paper studies the peer effect of iPhone adoptions in China. We use a unique data set of iPhone adoption records from a provincial capital city in China, in a span of over four years starting from iPhone's first introduction to mainland China. We construct a social network using six month's...

The use of mobile phones in poverty reduction and development has ignited much interest over the past decade. To take advantage of the rapid expansion of mobile phones in developing countries, businesses, government agencies and non-governmental organisations are increasingly turning their...