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…

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…

OBJECTIVE:
To determine how often clinical research from doctoral degree programmes is unpublished and to see if one can characterise differences between those researchers who do or do not publish their work or between the institutions where they studied.
DESIGN:

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…

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…

Los moluscos son muy apreciados como alimento para el hombre y en Venezuela se aprovechan comercialmente almejas (Asaphis deflorata), ostras (Pinctada imbricata y Crassostrea rhizophorae), pepitonas (Arca zebra), pulpos (Optopus vulgaris), calamares (Loligo plei), vieiras (Amusium papyraceum), mejillones (Perna perna…

This paper deals with a marketing strategy of product Pregnium® of Walmark Company from the view of knowledge creation and knowledge sharing for successful introducing of product to the market. Product is a nutritional supplement which is intended for pregnant…

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,…