Results 71 to 80 of about 333,292 (283)

Evaluating hedge fund performance: a stochastic dominance approach [PDF]

open access: yes, 2007
We introduce a general and flexible framework for hedge fund performance evaluation and asset allocation: stochastic dominance (SD) theory. Our approach utilizes statistical tests for stochastic dominance to compare the returns of hedge funds.
Li, Sheng, Linton, Oliver
core  

Do Tax Incentives for Farmland Leases Increase Farm Supply? Evidence From Iowa's Beginning Farmer Tax Credit

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT In recent decades, agriculture has become increasingly concentrated through horizontal mergers and acquisitions via corporate entities, and policy makers are concerned this will be exacerbated by the aging population of farm operators. To reduce market concentration in agriculture, many states have enacted policies to entice new prospective ...
Justin M. Ross   +2 more
wiley   +1 more source

Educator Portfolios

open access: yesMedEdPORTAL, 2013
An educator portfolio is a valuable accompaniment to a curriculum vitae, providing faculty with a systematic and thorough way to document their scholarly teaching and educational scholarship.
Virginia Niebuhr   +5 more
doaj   +1 more source

An axiomatic treatment of enlarged separation portfolios and treasurer’s portfolios (with applications to financial synthetics) [PDF]

open access: yes
Expanded separation portfolios ( Se ) and Treasurer’s portfolios T( Se ) are a sect of themselves. They arise out of risk-free assets and risky portfolios like other mutual funds. But their distinctive features set them apart from the common lot.
Rodolfo Apreda
core  

E-portfolio thinking in teacher training: a small-scale study in K-12 in Turkey [PDF]

open access: yes, 2008
The account given in this paper is related to the experiences of foreign language teachers involved in the pilot study undertaken in a high school in Turkey. After outlining the distinctive advantages of e-portfolios in the context of teacher development;
Kok, Ayse
core  

Labeling Quality or Quantity? The Differential Impact of Geographical Indications on Export Performance in Turkish Agri‐Food Products

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT This study investigates the impact of geographical indication (GI) certification on the export performance of Turkish agri‐food products by analyzing both trade volume and unit value dynamics. Drawing on monthly data from 2000 to 2024 across 22 GI‐certified products, the research employs product‐level regressions, fixed‐effects panel models ...
Ihlas Sovbetov, Muge Burcu Ozdemir
wiley   +1 more source

Examination of the relationship between authentic assessment and generic competencies among undergraduate science student-teachers in Tanzanian universities

open access: yesОсвітній вимір
This paper investigates the relationship between authentic assessment tools and the acquisition of generic competencies among undergraduate science student-teachers in Tanzanian universities.
Baraka Nyinge
doaj   +1 more source

E-portfolio utilization in medical school clinical practice: assessing satisfaction and learning advantages [PDF]

open access: yesKorean Journal of Medical Education
Purpose This study aimed to investigate the difference in satisfaction and learning benefits between e-portfolios compared to paper portfolios during clinical practice in medical schools. Methods Utilization of and satisfaction with e-portfolios among 40
Mi Ryoung Song   +5 more
doaj   +1 more source

Reduced form models of bond portfolios [PDF]

open access: yes, 2010
We derive simple return models for several classes of bond portfolios. With only one or two risk factors our models are able to explain most of the return variations in portfolios of fixed rate government bonds, inflation linked government bonds and ...
Koivu, Matti, Pennanen, Teemu
core  

The impact of the Russia–Ukraine war on stock prices, profits and perceptions in the food supply chain

open access: yesAgribusiness, EarlyView.
Abstract The Russian invasion of Ukraine in February 2022 had profound consequences for the global economy. As both countries are major commodity exporters, the food value chain was also affected. This study investigates the impact of the invasion on stock prices, profitability and sentiments of agribusinesses along the food supply chain by using an ...
Julia Höhler   +2 more
wiley   +1 more source

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