نتایج جستجو برای: frontier

تعداد نتایج: 14111  

Journal: :پژوهش های جغرافیای طبیعی 0
محمدباقر چوخاچی زادة مقدم داود امینی قشلاقی

manoeuvre, is one of the principles of war in most of the world’s armies. mobility and manoeuvre of the operational and support forces in the battle fields occur in bed of natural and cultural geographic factors, i.e, avenue approach and frontier transportation networks. so for this reason analyzing this geographical factors in skills such as line identification in tactical and operational leve...

2008
Oleg Badunenko Daniel J. Henderson R. Robert Russell

Data envelopment analysis (DEA), originally developed to study production efficiency of micro-level organizations, has recently been used to construct a production-frontier approach to the analysis of international macroeconomic growth and convergence patterns. DEA methods are used to construct the convex production frontier and this construction is then employed to decompose productivity growt...

1995
Peter W. Jones Robin Pemantle Yuval Peres

Consider a planar Brownian motion run for nite time. The frontier or \outer boundary" of the path is the boundary of the unbounded component of the complement. Burdzy (1989) showed that the frontier has innnite length. We improve this by showing that the Hausdorr dimension of the frontier is strictly greater than 1. (It has been conjectured that the Brownian frontier has dimension 4=3, but this...

2009
Frederick Jackson Turner Frederick Jackson

During a gathering ofhistorians at the World’s Columbian Exhibition in Chicago in 1893, Frederick Jackson Turner presented an essay titled “The Sign Ulcance of the Frontier in American Histoiy. “ Turner ‘s article, also known as the Frontier Thesis, argued that the settlement ofthe frontier made the American nation unique. Turner credited the frontier’s settlement as the primaryforce in shaping...

Journal: :Operations Research 2008
Michael Masin Yossi Bukchin

One of the most common approaches for multiobjective optimization is to generate the whole or partial efficient frontier and then decide about the preferred solution in a higher-level decision-making process. In this paper, a new method for generating the efficient frontier for multiobjective problems is developed, called the diversity maximization approach (DMA). This approach is capable of so...

2003
Richard Kneller

This paper simultaneously explores the determinants of the developing countries’ production frontier and their ‘efficiency’ in using the available resources and technology. In doing so it allows for the transfer of (industrial country) technology in determining the frontier and for international trade to influence absorptive capacity and national efficiency levels. Stochastic frontier analysis ...

1996
Dieter Gstach

The outcome of a production process might not only deviate from a theoretical maximum due to inefficiency, but also because of non-controllable influences. This raises the issue of reliability of Data Envelopment Analysis in noisy environments. I propose to assume an i.i.d. data generating process with bounded noise component, so that the following approach is feasible: Use DEA to estimate a ps...

2000
Zeba Sathar Cynthia B. Lloyd Cem Mete Minhaj ul Haque

This paper tests Caldwell’s mass schooling hypothesis in the context of rural Pakistan. His hypothesis was that the onset of the fertility transition is closely linked to the achievement of “mass formal schooling” of boys and girls. Punjab and Northwest Frontier Province (NWFP) were selected for this study because they appear to be on the leading edge of the demographic transition—a transition ...

Journal: :Management Science 2010
Thomas J. Brennan Andrew W. Lo

A key result of the Capital Asset Pricing Model (CAPM) is that the market portfolio— the portfolio of all assets in which each asset’s weight is proportional to its total market capitalization—lies on the mean-variance-efficient frontier, the set of portfolios having mean-variance characteristics that cannot be improved upon. Therefore, the CAPM cannot be consistent with efficient frontiers for...

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