Results 1 to 10 of about 343,410 (309)

Preliminary planning efficiency evaluation for school buildings considering the tradeoffs of MOOP and planning preferences

open access: yesJournal of Civil Engineering and Management, 2014
Seismic resistance and cost effectiveness are often two important building planning objectives for architects. However, these objectives nearly always share a negative correlation with each other, which can cause planning delays and confusion.
Min-Yuan Cheng, Ching-Shan Chen
doaj   +1 more source

Constructing an optimal investment portfolio for the Bank of Lithuania

open access: yesEkonomika, 2016
The main goal of this article is to illustrate the strategy, devised to improve the effectiveness of utilizing the financial assets, or in this case, the official international reserves, belonging to the Bank of Lithuania.
Birutė Galinienė   +1 more
doaj   +1 more source

Graph Search-Based Exploration Method Using a Frontier-Graph Structure for Mobile Robots

open access: yesSensors, 2020
This paper describes a graph search-based exploration method. Segmented frontier nodes and their relative transformations constitute a frontier-graph structure.
Hyejeong Ryu
doaj   +1 more source

Efficiency, Inefficiency and the MENA Frontier [PDF]

open access: yesSSRN Electronic Journal, 2015
We examine technical efficiency in the Middle East and North Africa (MENA). In addition to economic indicators, political and social ones play a role in development and efficiency profiles. The MENA have been characterized by increasing economic efficiency over time but with marked polarization.
McAdam, Peter, Christopoulos, Dimitris
openaire   +3 more sources

Impossible Frontiers [PDF]

open access: yes, 2008
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 ...
Brennan, Thomas J., Lo, Andrew W.
core   +2 more sources

Dual‐Mode Ion‐Pair Charge‐Transfer Organic Nanoparticles From Fluorescent Viologens for Amine Sensing and Encrypted Data Storage

open access: yesAggregate
To overcome the intrinsic drawbacks of conventional viologens, such as slow optical response and poor radical stability, we synthesized a series of viologen derivatives (BTV, NTV, and STV) by incorporating thiazolo[5,4‐d]thiazole units into bipyridine ...
Jiayao Sha   +8 more
doaj   +1 more source

A new methodology for deriving the efficient frontier of stocks portfolios: An advanced risk-return model [PDF]

open access: yesJournal of Artificial Intelligence and Data Mining, 2014
In this paper after a general literature review on the concept of Efficient Frontier (EF), an important inadequacy of the Variance based models for deriving EFs and the high necessity for applying another risk measure is exemplified.
Sh. Mehrjoo, M. Jasemi, A. Mahmoudi
doaj   +1 more source

Technical efficiency of U.S. Western Great Plains wheat farms using stochastic frontier analysis

open access: yesJournal of Applied Economics, 2023
Technical efficiency (TE) is an important measure of farm performance. This study measured the TE of wheat farms across six states in the U.S. Western Great Plains based on production and farm management-specific variables. Significant factors positively
Inbae Ji   +3 more
doaj   +1 more source

A Meta-heuristic Algorithm for Portfolio Selection Problem under Cardinality and Bounding Constraints [PDF]

open access: yesپژوهشهای اقتصادی, 2008
The focus of this paper is on standard Markowitz mean–variance model and its traditional approach to solve portfolio selection problem (Quadratic Planning).
mohammad taghi Taqavi Fard   +2 more
doaj  

Quick Introduction into the General Framework of Portfolio Theory

open access: yesRisks
This survey offers a succinct overview of the General Framework of Portfolio Theory (GFPT), consolidating Markowitz portfolio theory, the growth optimal portfolio theory, and the theory of risk measures.
Philipp Kreins   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy