-grade bond yield changes on Treasury yield changes and stock returns (see Kwan (1996)) we find that the R 2 falls to five percent when the dependent variable is credit spread changes. Hence, while much is known about yield changes, we have very limited knowledge about the determinants of credit spread

collaborations exhibit very different patterns compared to traditional collaborations in the same domain: 1) sparse connection: cross-domain collaborations are rare; 2) complementary expertise: cross-domain collaborators often have different expertise and interest; 3) topic skewness: cross-domain collaboration

and reporting computational testing. At the same time, some principles are given and some are tacitly assumed. Section 2 suggests broad methods of testing, recognizing strengths and weaknesses of each. Finally, Section 3 gives guidelines for how much computational testing is appropriate, depending on why

of specifications. Once we control for network effects in our models of fund and portfolio company performance, the importance of how much investment experience a VC has is reduced, and in some specifications, eliminated. Finally, we provide initial evidence on the evolution of VC networks. Key words: Venture

collaborations exhibit very different patterns com-pared to traditional collaborations in the same domain: 1) sparse connection: cross-domain collaborations are rare; 2) complemen-tary expertise: cross-domain collaborators often have different ex-pertise and interest; 3) topic skewness: cross-domain

organizations, it is important to find innovative ways to stimulate learning by sharing knowledge among humans. There are mainly two - often intertwined - ways on how to share knowledge. On the direct way, human actors of different kinds of expertise can communicate and help each other to construct new

, there have been a number of IBE schemes proven secure without random oracles, such as BTE from where r is chosen by the encryptor and g, g 1 , g 3 , and e(g 1 ,ĝ 2 ) are public system parameters. Notice, there are now two elements in G, and between them there is enough redundancy to determine whether a

ABSTRACT This article aims at proposing some elements for a grounded theor y of the network society. The network society is the social structure characteristic of the Information Age, as tentatively identi ed by empirical, cross-cultural investigation. It permeates most societies in the world

of expertise in a geographically dispersed professional organization, managers' decisions to create local or dispersed project teams, and the consequences of those decisions. We found that local sites developed specializations around frequently-used domain expertise, and that most projects were local

In this paper, we compare three different generalization methods for in-domain and cross-domain opinion holder extraction being simple unsupervised word clustering, an induction method inspired by distant supervision and the usage of lexical resources. The generalization methods are incorporated