VoxTalks Economics

There is often an urgent need for humanitarian assistance in low-income countries. But how can it be targeted efficiently and quickly? Joshua Blumenstock tells Tim Phillips how, in Togo, a combination of machine learning and mobile phone data dramatically increased the effectiveness of Covid assistance.

If you want your startup to be funded, everybody knows you have to dial up the energy and enthusiasm when you meet investors to the maximum. But is this really good advice for startups, and is a passionate pitch really a reliable signal for an investor? Song Ma of Yale School of Management used machine learning to evaluate thousands of pitches. He tells Tim Phillips whether passionate entrepreneurs make better startups.

In March 2020 we all assumed there would be some reaction to Covid-19 on Wall Street but, when markets did the opposite of what most people expected, the Fed had to step in to stabilise the economy. Anil Kashyap and Kathryn Judge tell Tim Phillips what happened, why, and how to stop it happening again.

Earlier in 2021 Peter Neary passed away. This special episode pays tribute to his work and examines why Peter was held in such affection by his colleagues. With contributions from Patrick Honohan, Richard Portes, Monika Mrázová, Beata Javorcik, and Abi Adams-Prassl.

How many lives could be saved if rich countries shared their vaccines? Less than 2% of people in low-income countries have received even one dose. Mehdi Benatiya Andaloussi tells Tim Phillips about his calculation of how many lives would be saved by the end of 2021 if vaccines were shared more fairly - and how many have been lost because this hasn't happened so far.

The records of London's Foundling Hospital provide centuries of information on children's health. Eric Schneider tells Tim Phillips how he used this data to discover surprising information about the link between nutrition and common childhood illnesses.

In 1932, Hitler and his followers believed that marching through the streets of Hamburg in uniform would convince its citizens to vote him into power. But did the flags, songs and stomping boots actually persuade people? Hans-Joachim Voth tells Tim Phillips how polling data (and the spread of a pandemic) reveal whether this type of propaganda actually worked.

In the scramble for PPE in early 2020, prices spiked, supplies dried up, and doctors were forced to use garbage bags for protection. A year on, Chad Bown has examined what happened, and he tells Tim Phillips how we can avoid a repeat.

Remember when your local newspaper was filled with classified advertising? Once, three-line ads for lonely hearts and used cars for sale were a guaranteed source of revenue. Then Craigslist replaced classifieds in the US, and the result, Ruben Durante tells Tim Phillips, has been less political reporting and more partisan polarisation.

Jonathan Ostry of the IMF has investigated a century of pandemics and discovered that not only do they make our societies less equal, but they lead to a K-shaped recovery. He tells Tim Phillips that, unlike other crises, pandemics open a permanent gap between winners and losers.Ungated paper at https://cepr.online/DP16122