Analyzing more than 10mln companies in 90 countries, Nicola Limodio finds that international competition affects only 20% of the firms. For the remaining 80%, market regulation can be an effective way to avoid market power abuses
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Simulators are increasingly crucial in decision making, but they can be time and memory consuming, hence they are often substituted by emulators. Emanuele Borgonovo has developed a faster emulation algorithm improving a technique pioneered by a South African statistician and mining engineer
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Risk communication from the WHO was well trusted and acted upon during the first wave, but more emphasis on non enforceable hygiene measures and messages tailored to the less compliant are needed now
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Threatening to topple autocrats too often backfires, according to research by Livio Di Lonardo. Regimes react by investing more in security and crushing oppositions ideologically close to the foreign power. Ideologically distant oppositions, on the contrary, are spared
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New research by Carlo Schwarz finds that, in the 2016 US presidential election, Twitter made independent voters less likely to vote for Donald Trump but did not affect other elections
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New research by Anatoli Colicev finds an unexpected link between marketing and finance: investor behavior of short sellers, who buy private data on customer dissatisfaction and satisfaction in order to choose or avoid targets. Interestingly, the negative effect of dissatisfaction is 2.39 times larger than the positive effect of satisfaction
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A study published in Scientific Reports, coauthored by Nirosha Varghese and Simone Ghislandi, states that one in three people sleep too short hours and one in seven is dissatisfied with the quality of their sleep. Low education and low income exacerbate the problem
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Men's attitudes and behavior may have contributed to their higher vulnerability and mortality. A survey in 8 OECD countries shows that they are less likely than women to consider the coronavirus a serious problem, less likely to agree with public policies and more likely to disregard them
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High CSR performance usually works as stock price insurance against negative events. If the event is due to management conduct that contradicts CSR principles, though, markets punish, not reward, high CSR performers, according to research by Bartov, Marra, and Momente'
read moreBocconi students on the economics seminars organized by IGIER. In the third article of the series, Federico Scabbia reports on the work of Solomon Hsiang, Berkeley University, Christian Gollier, Toulouse University, and Tom van Ierland, DG Climate Action
In a world with many well armed and unpredictable countries, tough talk from the US is riskier than ever
A study by Carlo Devillanova underlines the importance of monitoring health issues of immigrants to avoid the risks of leaving them outside the healthcare system during the pandemic
Bocconi students on the economics seminars organized by IGIER. In the second article of a series, Sahana Subramanyam reports on the work of Joshua Angrist, MIT, and Stephen Machin, LSE
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Christopher Roth, Warwick
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Amit Nigam, Class Business School
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Francesco Lippi (LUISS University)
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Pietro Veronesi, University of Chicago.
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