We empirically investigate the impact of successful goal achievement on future effort to at-tain the next goal in a recurring goal framework. We use data from a popular German Ques-tion & Answer community where goals are represented in the form of badges. Our findings indicate that after...

We examine whether changes in the local school choice environment affect the amount of information parents collect about local school quality, using data on over 100 million searches from greatschools.org. We link monthly data on search frequency in local "Search Units" to information on changes...

Access to information suitable and understandable for children is key to their development. Regrettably, current state-of-the-art Information Retrieval (IR) is mainly made with adults in mind, resulting in IR systems that do not suit children well: they require complicated queries and often...

We develop and evaluate experimentally a novel tool that redesigns the job search process by providing tailored advice at low cost. We invited job seekers to our computer facilities for 12 consecutive weekly sessions to search for real jobs on our web interface. For half, instead of relying on...