Managers often use tournament incentive schemes which motivate workers to compete for the top, compete to avoid the bottom, or both. In this paper we test the effectiveness and efficiency of these incentive schemes. To do so, we utilize optimal contracts in a principal-agent setting, using a...

We introduce the give-or-destroy game that allows us to fully elicit an individual s social preference schedule. We find that about one third of the population exhibits both pro-social and anti-social preferences that are independent of payoff comparisons with those who are affected. We call...

This paper tests social identity theory with respect to individuals' self-identification behavior. We report results from a laboratory experiment in which subjects choose their group membership, which is interpreted as decision to identify with the respective group. Inducing a trade-off between...

This paper develops a labour market matching model with heterogeneous firms, on-thejob search and referrals. Social capital is endogenous, so that better connected workers bargain higher wages for a given level of productivity. This is a positive effect of referrals on reservation wages. At the...

We present a model of opinion formation where individuals repeatedly engage in discussion and update their opinion in a social network similarly to the DeGroot model. Abstracting from the standard assumption that individuals always report their opinion truthfully, agents in our model may state...

This book contains the latest and most up-to-date research results from the fields of brands, labels and product, presented at the international colloquium COBLI 2021, held in Orleans, France. It covers a wide range of topics from the fields of economics, psychology, information technology and...

Affecting the Adoption of Financial Technology at Universities -- Affecting the Adoption of Financial Technology at Universities -- Factors to the Adoption of GSMTelephony in Rural Areas in West Africa -- Disruptive Fintech for Inclusive Finance in Africa: Role and Contribution of Mobile Money. .