This paper provides a welfare economic analysis of the problem of districting. In the context of a simple micro-founded model intended to capture the salient features of U.S. politics, it studies how a social planner should allocate citizens of different ideologies across districts to maximize aggregate utility. In the model, districting determines the equilibrium seat-vote curve which is the r...

In multiagent systems the capability of learning is important for an agent to behave appropriately in face of unknown opponents and a dynamic environment. From the system designer’s perspective, it is desirable if the agents can learn to coordinate towards socially optimal outcomes, while also avoiding being exploited by selfish opponents. To this end, we propose a novel gradient ascent based a...

It is axiomatic that spoken language is highly variable, and that variability can be observed at nearly every level of linguistic structure, from the acoustic instantiation of speech sounds to the the information structure of long stretches of spoken discourse. Many of the chapters in this volume discuss empirical and theoretical studies of the production of linguistic structures. A challenge t...

introduction: abusing drugs such as morphine continues to be a serious medical and social problem. defining a habit that increases the devastating effect such as compulsive use and craving is necessary. methods: this experiment was designed in four groups 1) group-housed (gh) 2) isolation 3) group-housed morphine-treated (ghmt) (4) isolated-housed morphine-treated (ihmt). rats were received mor...