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Jannik Sinner beats Taylor Fritz to win U.S. Open

The world number one became the first Italian man to triumph in New York.




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Does Taylor Fritz have what it takes to realise the American dream?

The 26-year-old from California believes his run to the US Open final is repeatable. Is his assessment of his ability and his chances in a new era of men’s tennis reasonable? And can he end a two-decade-long wait for a male singles Grand Slam champion from the USA?




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Laver Cup is 2-2 after Fritz and Shelton win doubles from Alcaraz and Zverev

American pair Taylor Fritz and Ben Shelton have edged Carlos Alcaraz and Alexander Zverev in doubles to tie the Laver Cup after the first day in Berlin




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A dual-responsive microemulsion with macroscale superlubricity and largely switchable friction

Mater. Horiz., 2024, 11,1668-1678
DOI: 10.1039/D3MH01978K, Communication
Siwei Chen, Hong Sun, Jian Liu, Jinyu Wang, Hongsheng Lu, Jingcheng Hao, Lu Xu, Weimin Liu
A dual-responsive microemulsion capable of providing macroscale superlubrication in a broad temperature range and switching its coefficient of friction by ∼25 fold is reported. It also shows ultrahigh colloidal stability and anti-freezing properties.
The content of this RSS Feed (c) The Royal Society of Chemistry




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In the South African bush




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Dealings at a China-Africa forum that India must track

The stance of African leaders at the FOCAC meet in Beijing could guide India in developing its own partnership with the continent




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A panoramic view of the 2024 China-Africa summit

With African governments finding it more comfortable to deal with China, the recent FOCAC conference needs objective scrutiny; there are takeaways for India




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Vietnam seizes 3 tons of ivory smuggled from South Africa




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With a Little Help from Friends: Strategic Financing and the Crowd [electronic journal].




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Unclogging the Credit Channel: on the Macroeconomics of Banking frictions [electronic journal].




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Task Discretion, Labor Market Frictions and Entrepreneurship [electronic journal].




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Spatial Wage Gaps in Frictional Labor Markets [electronic journal].




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South African Family Practice [electronic journal].

AOSIS Pty LTD




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Social Structure and Conflict: Evidence from Sub-Saharan Africa [electronic journal].




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Social learning in agriculture: does smallholder heterogeneity impede technology diffusion in Sub-Saharan Africa? [electronic journal].




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Shocks, Frictions, and Inequality in US Business Cycles [electronic journal].




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Search Frictions in International Good Markets [electronic journal].




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Search Frictions and Efficiency in Decentralized Transport Markets [electronic journal].




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Power, Scrutiny, and Congressmen's Favoritism for Friends' Firm [electronic journal].




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Penrith Press (Fri) (New South Wales, Australia) [electronic journal].

Cumberland Newspapers Group




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Over-the-Counter Market Frictions and Yield Spread Changes [electronic journal].




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North Shore Times (Friday) [electronic journal].




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Monetary Policy and Inequality under Labor Market Frictions and Capital-Skill Complementarity [electronic journal].




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Measuring Ethnic Stratification and its Effect on Trust in Africa [electronic journal].




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Market Frictions, Arbitrage, and the Capitalization of Amenities [electronic journal].

National Bureau of Economic Research




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The Lost Human Capital: Teacher Knowledge and Student Learning in Africa [electronic journal].




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The Legacy of Colonial Medicine in Central Africa [electronic journal].




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Labor Market Frictions and Lowest Low Fertility [electronic journal].




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KAS African Law Study Library [electronic journal].

Nomos Verlagsgesellschaft mbH & Co. KG




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International Portfolio Choice with Frictions: Evidence from Mutual Funds [electronic journal].




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International Migration Intentions and Illegal Costs: Evidence Using Africa-to-Europe Smuggling Routes [electronic journal].




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International Friends and Enemies [electronic journal].

National Bureau of Economic Research




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International Commodity Prices and Civil War Outbreak: New Evidence for Sub-Saharan Africa and Beyond [electronic journal].




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Intergenerational Mobility in Africa [electronic journal].

National Bureau of Economic Research




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Historical Legacies and African Development [electronic journal].

National Bureau of Economic Research




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Heterogeneity, Measurement Error and Misallocation: Evidence from African Agriculture [electronic journal].

National Bureau of Economic Research




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The Health Costs of Ethnic Distance: Evidence from Sub-Saharan Africa [electronic journal].




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Harmful Pro-Competitive Effects of Trade in Presence of Credit Market Frictions [electronic journal].




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The Great Convergence. Skill Accumulation and Mass Education in Africa and Asia, 1870-2010 [electronic journal].




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Friendship Networks and Political Opinions: A Natural Experiment among Future French Politicians [electronic journal].




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Friendship and Female Education: Evidence from a Field Experiment in Bangladeshi Primary Schools [electronic journal].




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Friedman's Presidential Address in the Evolution of Macroeconomic Thought [electronic journal].

National Bureau of Economic Research




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Frictional Intermediation in Over-the-counter Markets [electronic journal].

National Bureau of Economic Research




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Firm performance and participation in public procurement: Evidence from Sub-Saharan Africa [electronic journal].




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Firm and Worker Dynamics in a Frictional Labor Market [electronic journal].

National Bureau of Economic Research




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Financial Frictions: Macro vs Micro Volatility [electronic journal].




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Financial Frictions and the Wealth Distribution [electronic journal].

National Bureau of Economic Research




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Economic Growth in Sub-Saharan Africa, 1885-2008 [electronic journal].




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The Dog that Didn't Bark: The Curious Case of Lloyd Mints, Milton Friedman and the Emergence of Monetarism [electronic journal].




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Coalition-Proof Risk Sharing Under Frictions [electronic journal].

National Bureau of Economic Research