In this paper we examine and summarize properties of several well-known risk measures that can be used in the framework of setting solvency capital requirements for a risky business. Special attention is given to the class of (concave) distortion risk measures. We investigate the relationship between these risk measures and theories of choice under risk. Furthermore we consider the problem of h...

Competitive market innovation contest platforms are increasingly used by businesses to identify new products or services to offer their customer base; yet, the degree to which social capital has been ex-plored within these online communities remains scarce. While there is ample support for the presence of social capital within other forms of virtual communities to facilitate knowledge sharing, ...

What is social capital? In answering this question, the paper reports on new research which differentiates between the social interactive processes and social capital as the product of that process. Following a review of literature, structured as a social theory against which social capital might be understood, the paper then describes a study of a rural community, and reports on two analyses o...

Social capital has proven to be a useful concept, but has been ill-defined and not wellmeasured in the economics literature. We propose a different empirical method for measuring social capital, latent class analysis, based on the idea that social capital is an unobservable multidimensional construct. We explain and demonstrate the construction of latent classes that measure an individual’s soc...

Purpose – This study aims to examine the social capital and technical determinants of knowledge adoption intentions in virtual communities and to explore the differences between posters and lurkers. Design/methodology/approach – An online survey was conducted with a sample of 318 virtual community participants for a structural equation model test. Findings – The structural and cognitive social ...

What are the conditions conducive to long-term transplantation of mafia groups in new territories? This paper systematically reviews a number of factors that facilitate such an outcome, including: migration from territories with high mafia density; the policy of forcing criminals to resettle outside their region of origin; the existence of mafia wars; two different systems of recruitment into m...

Mobile networks practice of social networking service that gives individuals an easy way to exchange messages and ideas with others base on interpersonal relationships. However, why individuals spread advertisements in their social circles through mobile applications is not well understood: is this the result of environment impact or the result of individual characteristics? To tackle this prob...

Debate about the substitutability of manufactured, natural, human and social capital is at the heart of sustainability theory. Sociology can contribute to this debate by examining the processes and mechanisms by which one form of capital is substituted for another. We examine the substitution among different forms of capitals at China’s Wolong Nature Reserve where the consumption of an importan...