Results 101 to 110 of about 1,116,171 (300)
Cold War in Southern Africa Kalter Krieg im Südlichen Afrika
Africa Spectrum, 2010 Review Article: Cold War in Southern Africa Gary Baines, Peter Vale (eds.) (2008), Beyond the Border War: New Perspectives on Southern Africa’s Late-Cold War Conflicts, Pretoria: Unisa Press, ISBN 978 1 86888 456 8, xix + 342 pp. Sue Onslow (ed.) (2009),
Matthew Graham
doaj
Advanced Electronic Materials, EarlyView.A flexible ternary composite combining barium hexaferrite (BHF), Co–Microwires, and silicone rubber exploits magnetic–conductive synergy to deliver tunable X‐band EMI shielding, reaching a 16.9 dB at 9.8 GHz (surpassing the 10 dB industrial benchmark). Shielding behavior shifts between reflection and absorption with BHF loading and Co–Microwires counts
Moustafa A. Darwish +4 more
wiley +1 more source
To Formalize or Not to Formalize? Comparisons of Microenterprise Data from Southern and East Africa [PDF]
Why do firms choose to locate in the informal sector? Researchers often argue that the high cost of regulation prevents informal firms from becoming formal and productive. Our results point to a more nuanced story.
Alan Gelb +3 more
core +1 more source
Did the Indian Green Revolution Change the Farm Size–Productivity Relationship?
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT We examine the relationship between farm size and productivity during India's Green Revolution, a period of rapid technological transformation. Using a unique panel of over 5000 Indian farm households that spans the Green Revolution (1971–1999), we show that the classic (linear) inverse farm size–productivity relationship gradually evolved ...
Rabail Chandio, Leah E. M. Bevis
wiley +1 more source
Resilience in uniform: A review of Apartheid’s black military contribution
ContreeNo abstract available.
Mpho Moalamedi
doaj +1 more source
U.S. River Discharge for 2008 in State of the Climate in 2008 [PDF]
, 2009 The global mean temperature in 2008 was slightly cooler than that in 2007; however, it still ranks within the 10 warmest years on record. Annual mean temperatures were generally well above average in South America, northern and southern Africa, Iceland ...
Bowling, L. C. +4 more
core +4 more sources
Livestock Tango: U.S. and Latin America Dance Together, but Who Will Lead?
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT This study examines the competitiveness between Latin American and U.S. livestock and meat sectors. We employ a computable general equilibrium modeling framework to evaluate two scenarios: coordinated improvements in Latin American productivity, transport efficiency, and market access (Scenario I), and the minimum productivity gains required ...
Taís C. Menezes +2 more
wiley +1 more source
Sustainable Development in Southern Africa: Progress in Addressing the Challenges [PDF]
, 2005 This paper reviews the progress made in establishing institutional framework for sustainable development in Southern Africa, identifies the major successes and challenges in implementing sustainable development policies and programs and suggests ...
Gladys B. Mutangadura
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Sustainable Productivity Growth in Agriculture: The Role of Shifts in R&D Investments and Technology
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT The objective of the paper is to evaluate the long‐term prospects of sustainable productivity growth linked to plausible assumptions on public agricultural R&D investments as the key productivity driver. Second, it investigates the role of changing R&D focus from yield maximization to input saving technologies (fertilizers and pesticides). The
Zuzana Smeets Křístková +4 more
wiley +1 more source
MAIZE BREEDING RESEARCH IN EASTERN AND SOUTHERN AFRICA: CURRENT STATUS AND IMPACTS OF PAST INVESTMENTS MADE BY THE PUBLIC AND PRIVATE SECTORS, 1966-97 [PDF]
This report documents the impacts of international maize breeding research in eastern and southern Africa. It draws on information from a comprehensive 1998/99 survey of public and private maize breeding and seed production organizations active in the ...
Hassan, Rashid M. +2 more
core +1 more source