We study trading and prices in newly issued municipal bonds. Municipals, which trade in decentralized, broker-dealer markets, are underpriced when issued, but unlike equities the average price rises slowly over a period of several days. We document high levels of price dispersion in newly issued...

Network-based marketing refers to a collection of marketing techniquesthat take advantage of links between consumers to increase sales. Weconcentrate on the consumer networks formed using direct interactions(e.g., communications) between consumers. We survey the diverseliterature on such...

''GridWise'' is a concept of how advanced communications, information and controls technology can transform the nation's energy system--across the spectrum of large scale, central generation to common consumer appliances and equipment--into a collaborative network, rich in the exchange of...

This report is concerned with the selection of routes in a network along which to transport hazardous substances, taking into consideration several key factors pertaining to the cost of transport and the risk of population exposure in the event of an accident. Furthermore, the fact that travel...

The first part of the dissertation introduces several new methods for estimating thestructure of graphical models. Firstly, we consider estimating graphical models withdiscrete variables, including nominal variables and ordinal variables. For the nominalvariables, we prove the asymptotic...

Employs conceptual contributions from management, work networks, and organizational buying behavior research, and presents the results of a study which integrates these contributions through an internal marketing exchange model. Specifically, network analysis is used to describe purchasing...

This paper advances the resource dependence and social networks literature by investigating a board?s structural social capital created as a consequence of interlocking directorates. Using approaches and measures developed by social network analysis we compare the interpersonal directorship...

Utilizamos herramientas de análisis de redes para identificar las comunidades de países de destino de los exportadores. Nuestra medida de comunidad está basada en el resultado de decisiones reales, captura la dependencia multilateral entre países en lugar de la dependencia bilateral, y se...

Este artículo propone un modelo econométrico de regímenes markovianos para identificar endógenamente períodos en los que las economías tienden a experimentar fases del ciclo económico de manera sincronizada e independiente. La fiabilidad del modelo econométrico se ha validado con datos...

En este artículo se evalúa el papel que desempeña el movimiento conjunto sectorial en la propagación de choques de política monetaria hacia el mercado de valores. En particular, se propone un modelo de vectores autorregresivos aumentado con factores, el cual permite cambios heterogéneos de...