نتایج جستجو برای: d40
تعداد نتایج: 196 فیلتر نتایج به سال:
We introduce non-homothetic preferences into an R&D based growth model to study how demand forces hape the impact of inequality on innovation and growth. Inequality affects the incentive to innovate via a price effect and a market size effect. When innovators have a large productivity advantage over traditional producers a higher extent of inequality tends to increase innovators’prices and mark...
A single-item ascending auction in which agents observe multidimensional Gaussian signals about their valuation of the good is studied. A class of equilibria is constructed in two steps: (i) the private signals of each agent are projected into a one-dimensional equilibrium statistic, and (ii) the equilibrium strategies are constructed “as if” each agent observed only his equilibrium statistic. ...
In many markets, consumers obtain price quotes before making purchases. This paper considers a fixed-sample size model of consumer search for price quotes when sellers must spend resources to learn the true cost of providing goods/services. It is found that (1) even with ex ante identical consumers and sellers, there is price dispersion in the equilibrium; (2) the expected equilibrium price can...
McAfee and Reny (1992) have given a necessary and sufficient condition for full surplus extraction in models with a continuum of types. In this paper we show that it is satisfied by a generic set of model specifications. We extend the classical embedding theorem for continuous functions to account for a stronger geometric condition on the functions mapping abstract types into beliefs which is b...
Teriparatide [human parathyroid hormone (1-34)], which exerts an anabolic effect on bone, is used for the treatment of osteoporosis in patients who are at a high risk for fracture. That the once-daily administration of teriparatide causes an increase in cortical porosity in animal models and clinical studies has been a matter of concern. However, it is not well documented that the frequency of ...
Interaction of the vascular cell adhesion molecule (VCAM-1) with its counter-receptor very late antigen-4 (VLA-4) (integrin alpha 4 beta 1) is important for a number of developmental pathways and inflammatory functions. We are investigating the molecular mechanism of this binding, in the interest of developing new anti-inflammatory drugs that block it. In a previous report, we showed that the p...
BACKGROUND The snatch-farrowed porcine-colostrum-deprived (SF-pCD) pig model, in which neonates are raised on commercially available bovine colostrum, is an alternative model for porcine infectious disease research. It is not known if SF-pCD pigs possess growth performance and immunity comparable to conventional, farm-raised pigs. The current experiment compared growth performance and immune re...
This work is aimed at investigating treatment planning strategies to optimally com-bine stereotactic body radiation therapy (SBRT) with intracavitary brachytherapy (ICBT) for the treatment of locally advanced cervical cancer. Forty patients (stage IIB - IIIB) previously treated with combined SBRT and ICBT were randomly selected for this retrospective study. All patients were CT- and MR-scanned ...
Internal ribosomal entry sites (IRESs) of certain plus-strand RNA viruses direct cap-independent initiation of protein synthesis both in vitro and in vivo, as can be shown with artificial dicistronic mRNAs or with chimeric viral genomes in which IRES elements were exchanged from one virus to another. Whereas IRESs of picornaviruses can be readily analyzed in the context of their cognate genome ...
It has been demonstrated that insulin-mediated recruitment of microvascular blood volume is associated with insulin sensitivity. We hypothesize that insulin rapidly stimulates penetration of red blood cells (RBC) and plasma into the glycocalyx and thereby promotes insulin-mediated glucose uptake by increasing intracapillary blood volume. Experiments were performed in rats; the role of the glyco...
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