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Grieve Chelwa

Grieve Chelwa

Senior Lecturer -- Economics, University of Cape Town
I teach and research economics at the Graduate School of Business at the University of Cape Town. Previously I was a postdoctoral fellow at the Center for African Studies at Harvard University.

Randomised trials in economics: what the critics have to say

Dec 13, 2019 07:23 am UTC| Insights & Views Economy

The 2019 Nobel Prize has been awarded to three scholars for pioneering recent attempts to answer microeconomic issues in development using randomised experiments. Over the last three decades randomised trials have...

How randomised trials became big in development economics

Dec 10, 2019 05:16 am UTC| Insights & Views Economy

The 2019 Nobel Prize in economics was awarded to three researchers for their experimental approach to alleviating global poverty, one which has transformed development economics. What are randomised experiments? And why...

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Economy

Oil Prices Surge 13% as U.S.-Israel Strikes on Iran Spark Supply Fears

Oil prices jumped sharply in early Asian trading on Monday after the United States and Israel launched coordinated military strikes against Iran, significantly escalating geopolitical tensions in the Middle East. The...

Global Markets Reel as Euro Falls, Swiss Franc Surges and Oil Prices Spike After U.S.-Israel Strike on Iran

Global currency markets turned volatile Monday as investors rushed to safe-haven assets following U.S. and Israeli airstrikes on Iran that reportedly killed Supreme Leader Ayatollah Ali Khamenei. The dramatic escalation in...

Gold Prices Surge Over 2% After U.S.-Israel Strikes on Iran Spark Safe-Haven Demand

Gold prices jumped more than 2% during Asian trading on Monday as investors flocked to safe-haven assets following major U.S. and Israeli airstrikes on Iran. The attacks reportedly killed Irans Supreme Leader, Ayatollah...

Australia Housing Market Hits Record High Despite RBA Rate Hike

Australias housing market extended its upward momentum in February, with national home prices climbing to a new record high despite the Reserve Bank of Australias recent interest rate increase. According to fresh data from...

MOEX Russia Index Hits 3-Month High as Energy Stocks Lead Gains

Russian stocks closed mixed on Saturday, with the MOEX Russia Index finishing flat but reaching a new three-month high. Despite ending the session unchanged at 0.00%, investor sentiment remained supported by strong...

Politics

EU Urges Maximum Restraint in Iran Conflict Amid Fears of Regional Escalation and Oil Supply Disruption

The European Unions 27 member states have called for maximum restraint and strict adherence to international law following the escalating Iran conflict involving the United States and Israel. EU foreign policy chief Kaja...

Trump Announces U.S. Strikes on Iran Navy as Conflict Escalates

U.S. President Donald Trump announced Sunday that the United States military is carrying out a large-scale assault on Irans Navy, claiming that nine Iranian warships have already been destroyed and that additional vessels...

Trump Says U.S. Attacks on Iran Will Continue, Warns of More American Casualties

U.S. President Donald Trump said Sunday that American military strikes against Iran will continue, signaling an escalation in tensions across the Middle East. In a video message posted on Truth Social, Trump stated that...

U.S. Lawmakers Question Trump’s Iran Strategy After Joint U.S.-Israeli Strikes

U.S. lawmakers from both parties are raising concerns about the lack of a clear day-after strategy for Iran following joint U.S.-Israeli airstrikes that reportedly killed Supreme Leader Ayatollah Ali Khamenei and dozens of...

UK Accepts U.S. Request to Use British Bases for Defensive Strikes on Iranian Missiles

British Prime Minister Keir Starmer announced that the United Kingdom has agreed to a U.S. request to use British military bases for limited defensive strikes targeting Iranian missile storage depots and launchers. The...

Science

SpaceX Pivots Toward Moon City as Musk Reframes Long-Term Space Vision

SpaceX CEO Elon Musk has revealed a significant shift in the companys near-term space exploration strategy, announcing that SpaceX is now prioritizing the development of a self-growing city on the Moon rather than focusing...

SpaceX Prioritizes Moon Mission Before Mars as Starship Development Accelerates

Elon Musks SpaceX is shifting its near-term space exploration strategy, choosing to prioritize a return to the Moon before pursuing missions to Mars, according to a recent Wall Street Journal report citing sources familiar...

NASA and SpaceX Target Crew-11 Undocking From ISS Amid Medical Concern

NASA has confirmed that the agency, in coordination with SpaceX, is targeting no earlier than 5 p.m. Eastern Time (2200 GMT) on Wednesday, January 14, for the undocking of the SpaceX Crew-11 mission from the International...

Neuralink Plans High-Volume Brain Implant Production and Fully Automated Surgery by 2026

Elon Musks brain-computer interface company Neuralink is preparing for a major expansion, announcing plans to begin high-volume production of its brain implant devices and transition to a fully automated surgical procedure...

Jared Isaacman Confirmed as NASA Administrator, Becomes 15th Leader of U.S. Space Agency

The U.S. Senate has officially confirmed billionaire private astronaut Jared Isaacman as the new NASA administrator, making him the 15th leader in the agencys history. The confirmation, which took place on Wednesday, marks...

Technology

AWS Data Center in UAE Hit by Fire After Objects Strike Facility Amid Regional Tensions

Amazon Web Services (AWS) confirmed that one of its data centers in the United Arab Emirates experienced a temporary power shutdown after objects struck the facility, causing sparks and a fire. The incident occurred at...

OpenAI Pentagon AI Contract Adds Safeguards Amid Anthropic Dispute

OpenAI has confirmed that its newly signed contract with the U.S. Department of Defense (DoD) includes expanded safeguards designed to tightly regulate how artificial intelligence is deployed on classified government...

Trump Orders Federal Agencies to Halt Use of Anthropic AI Technology

U.S. President Donald Trump announced Friday that he has directed every federal agency to immediately stop using artificial intelligence technology developed by Anthropic, escalating tensions between the federal government...

Federal Judge Blocks Virginia Social Media Age Verification Law Over First Amendment Concerns

A federal judge has temporarily blocked Virginia from enforcing a new social media law designed to protect children from online addiction, ruling that it likely violates First Amendment rights. The decision marks a...

Nintendo Share Sale: MUFG and Bank of Kyoto to Sell Stakes in Strategic Unwinding

Nintendo is reportedly preparing a major unwinding of strategic cross-shareholdings that could see MUFG Bank and the Bank of Kyoto sell significant stakes in the iconic Super Mario maker. According to sources familiar with...
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