University of Virginia

About: University of Virginia is a education organization based out in Charlottesville, Virginia, United States. It is known for research contribution in the topics: Population & Poison control. The organization has 52543 authors who have published 113268 publications receiving 5220506 citations. The organization is also known as: U of V & UVa.

OpenMx: An Open Source Extended Structural Equation Modeling Framework

Abstract: OpenMx is free, full-featured, open source, structural equation modeling (SEM) software. OpenMx runs within the R statistical programming environment on Windows, Mac OS–X, and Linux computers. The rationale for developing OpenMx is discussed along with the philosophy behind the user interface. The OpenMx data structures are introduced—these novel structures define the user interface framework and provide new opportunities for model specification. Two short example scripts for the specification and fitting of a confirmatory factor model are next presented. We end with an abbreviated list of modeling applications available in OpenMx 1.0 and a discussion of directions for future development.

Stakeholders, social responsibility, and performance: empirical evidence and theoretical perspectives

Abstract: The management of competing stakeholder interests has emerged as a significant topic in the management literature. Related issues are the relationship between stakeholder management and the perception that a firm is socially responsible, and the performance implications of both stakeholder management and social responsibility. Theory and models surrounding these issues are abundant, but empirical research is in an early stage. This research forum reports six excellent efforts to tackle fundamental ideas about stakeholders, social responsibility, and performance.

Mechanotransduction in vascular physiology and atherogenesis

Abstract: Forces that are associated with blood flow are major determinants of vascular morphogenesis and physiology. Blood flow is crucial for blood vessel development during embryogenesis and for regulation of vessel diameter in adult life. It is also a key factor in atherosclerosis, which, despite the systemic nature of major risk factors, occurs mainly in regions of arteries that experience disturbances in fluid flow. Recent data have highlighted the potential endothelial mechanotransducers that might mediate responses to blood flow, the effects of atheroprotective rather than atherogenic flow, the mechanisms that contribute to the progression of the disease and how systemic factors interact with flow patterns to cause atherosclerosis.

Optimal Trade and Industrial Policy Under Oligopoly

Abstract: In this paper we provide an integrative treatment of the welfare effects of trade and industrial policy under oligopoly, and characterize qualitatively the form that optimal intervention takes under a variety of assumptions about the number of firms, their conjectures about the response of their rivals to their actions, the substitutability of their productsand the markets in which they are sold We find that when no domestic consumption occurs optimal policy under duopoly with a single home firm depends on the difference between firms' actual responses to their rivals and the response that their rivals' conjecture If conjectures are consistent ,free trade is optimal A tax or subsidy is indicated depending on the sign of the difference between the conjectured and the actual reponseWith more than one home firm but still no domestic consumption, an export tax is indicated if conjectures are consistent Production subsidies and export tax-cum-subsidies can raise national welfare in the presence of domestic consumption, because these policies can mitigate the extent of the consumption distortion implicit in the deviation of price from marginal cost