This paper empirically examines the role of social networks in welfare participation. Social theorists from across the political spectrum have argued that network effects have given rise to a culture of poverty. Empirical work, however, has found it difficult to…

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This survey presents within a single model three theories of decentralization of decision-making within organizations based on private information and incentives. Renegotiation, collusion, and limits on communication are three sufficient conditions for decentralization to be optimal., Cet article présente, dans…

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We analyze an alternative to the standard rationalizability requirement for observed choices by considering non-deteriorating selections. A selection function is a generalization of a choice function where selected alternatives may depend on a reference (or status quo) alternative in addition…

We identify conditions under which preferences over sets of consumption opportunities can be reduced to preferences over bundles of \"commodities\". We distinguish ordinal bundles, whose coordinates are defined up to monotone transformations, from cardinal bundles, whose coordinates are defined up…

In this article we study the effect of uncertainty on an entrepreneur who must choose the capacity of his business before knowing the demand for his product. The unit profit of operation is known with certainty but there is no…

We provide a survey of the literature on ranking sets of objects. The interpretations of those set rankings include those employed in the theory of choice under complete uncertainty, rankings of opportunity sets, set rankings that appear in matching theory,…

Žinių samprata yra sudėtinga, įvairi ir daugiaprasmė. Moksliniu požiūriu žinių prigimtį ir esmę jau keletą dešimtmečių tyrinėja įvairių sričių mokslininkai, tačiau iki šiol nėra sukurtos visuotinai pripažintos žinių potencialo vertinimo metodikos, vartojamos skirtingos sąvokos, nesutariama, kokie veiksniai yra esminiai vertinant…

The purpose of this article is to demonstrate how the method of meaning implication discourse analysis can be applied in the context of online collaborative reflective practice of student teachers. The method was developed to identify knowledge building in networked…