Results 111 to 120 of about 87,404 (310)

Seeds of change: The impact of Ethiopia's direct seed marketing approach on smallholders' seed purchases and productivity

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract While multiple factors explain low adoption rates of improved varieties by small‐scale farmers in sub‐Saharan Africa, a key supply‐side constraint is the limited availability of seed embodying new traits in the volume, quality, price, and timeliness required by farmers. This constraint is partly attributable to classical failures in the market
Dawit Mekonnen   +5 more
wiley   +1 more source

The role of venture‐financed startups in innovation for US agriculture

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract To evaluate the role played by startup companies in the innovation ecosystem of US agriculture, we compile a unique dataset of 6024 new entrants founded 1987–2019 that details their financing lifecycles, annual economic performance, and patenting activities.
Gregory D. Graff   +2 more
wiley   +1 more source

High frequency multiscale relationships among major cryptocurrencies: portfolio management implications. [PDF]

open access: yesFinanc Innov, 2021
Mensi W   +4 more
europepmc   +1 more source

Event portfolio management: theory and methods for event management and tourism

open access: yes, 2019
Event Portfolio Management' explores the phenomenon of the event portfolio as a policy tool for cities and destinations. Divided into two parts – ‘Theory’ and ‘Practice’ – the book critically analyses and summarises key underpinnings behind portfolio ...
Ziakas, Vassilios   +2 more
core  

The International Consortium for Arthrogryposis: A Collaborative Framework for Early Detection, Care, Research, and Education

open access: yesAmerican Journal of Medical Genetics Part C: Seminars in Medical Genetics, EarlyView.
ABSTRACT Arthrogryposis multiplex congenita (AMC) is a group of rare congenital conditions, characterized by multiple joint contractures but may involve any body system including central nervous system. AMC is etiologically heterogeneous, with over 400 genetic and many non‐genetic causes implicated in its prenatal development.
Shahrzad Nematollahi   +20 more
wiley   +1 more source

Portfolio Management under Asymmetric Dependence and Distribution [PDF]

open access: yes
Aim of our paper is to analyze the enhancement of portfolio management by using more sophisticated assumptions about distributions and dependencies of stock returns.
Peter Reichling, Stefan Hlawatsch
core  

Housing as Asset‐Based Welfare in Australia: An Investigation Through a Consumption Lens

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT Housing asset‐based welfare has long been a key component of Australia's social policy. This resonates with a parallel literature identifying a trade‐off between homeownership and the size of nations' welfare states, wherein owner‐occupiers in smaller welfare states tend to come to rely on housing wealth to meet many of their welfare needs ...
Gavin A. Wood   +3 more
wiley   +1 more source

Delegated Portfolio Management [PDF]

open access: yes
In this paper, we examine optimal portfolio decisions within a decentralized framework. There are many portfolio managers choosing optimal portfolio weights in a mean-variance framework and taking decisions in a decentralized way.
Paulo Coutinho, Benjamin Miranda Tabak
core  

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