High nonresponse rates have become a rule in survey sampling. In panel surveys there occur additional sample losses due to panel attrition, which are thought to worsen the bias resulting from initial nonresponse. However, under certain conditions an initial wave nonresponse bias may vanish in...

Although the incidence of conflicts between Fulani nomadic pastoralists and sedentary farmers in Nigeria have risen significantly during the last decade, no study has, to the best of my knowledge, examined how these conflicts influence distrust of members of the Fulani ethnic group and the...

Modern life offers nearly unbridled access to information; it is the harnessing of this information to guide decision-making that presents a challenge. We study how one individual may try to shape the way another person interprets objective information by proposing a causal explanation (or...

We conduct a large-scale randomized controlled trial to evaluate the effectiveness of short text messages (SMS) as a tool to mobilize young voters, and thus, ameliorate the stubborn gap in political participation between younger and older citizens. We find that receiving an SMS reminder before...

The SearchEngine is an open source project providing an integrated framework for diverse matching activities, especially the linkage of large scale firm data by fuzzy criteria like company names and addresses. At its core, it utilizes an efficient candidate retrieval mechanism implementing a...

Economics and innovation scholars have long recognized the potential of public procurement to trigger innovation. To what extent has this potential been realized so far? What can be done to improve the performance of PPI in this regard? This paper addresses these issues by providing a literature...