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Influence of population heterogeneity on herd immunity to SARS-CoV-2

01 July 2020
MIT economist Glenn Ellison surveys the epidemiological literature on an SIR extension incorporating heterogeneity in the activity rates of different subpopulations, and notes ways in which analyses based on classic SIR models can potentially yield misleading views. In a similar spirit, a new study by mathematics professor Tom Britton shows that population heterogeneity can significantly impact disease-induced immunity.

Optimal dynamic confinement under uncertainty and learning

01 July 2020
In a new paper, network member Christian Gollier analyzes the uncertainty surrounding how contagious a virus is and how that affects optimal suppression.

Waning Immunity and the Second Wave: Some Projections for SARS-CoV-2

22 June 2020
Network member Flavio Toxvaerd with coauthors consider, in a new working paper, the optimal social distancing policy in an SEIRS model of the COVID-19 epidemic in which immunity wanes over time.

Nowcasting COVID-19 statistics

22 June 2020
Statistics are often registered with delay and Swedish COVID-19 deaths are reported with up to 14 days of lag. Death statistics therefore always appear to be on a positive trend. In a new paper, SSE-CERN member Adam Altmejd together with Joacim Rocklöv, and Jonas Wallin propose a statistical method to estimate the actual number of deaths.

Predicted fatality rates for Covid-19 around the world

18 June 2020
Early reports suggest the fatality rate from COVID-19 varies greatly across countries, but non-random testing and incomplete vital registration systems render it impossible to directly estimate the infection fatality rate (IFR) in many low- and middle-income countries. A new study tries to fill this gap.

What policies address both the coronavirus crisis and the climate crisis?

17 June 2020
In a new paper, network members Niko Jaakkola and Daniel Spiro with co-authors analyse policies that would jointly address the coronavirus economic crisis and the climate crisis.

Face Masks Considerably Reduce COVID-19 Cases in Germany

16 June 2020
The effect of face masks worn in public on the spread of Covid-19 has not been systematically analyzed so far. A new IZA Discussion Paper by Klaus Wälde and coauthors uses the synthetic control method to analyze the effect of face masks on the spread of Covid-19 in Germany.

Report: "Sweden through the crisis"

15 June 2020
The Stockholm School of Economics launched today the first part of the new report "Sweden through the crisis". In it you can read views and perspectives from researchers connected to the School.

Temporary incarceration is correlated with Covid-19 infection

15 June 2020
In a new peer reviewed study in Health Affairs, Eric Reinhart and Daniel Chen show that being temporarily jailed (a.k.a. jail cycling) is correlated with Covid-19 infection

The Riksbank's new real-time indicators

12 June 2020
To gain a rapid estimate of how the coronavirus pandemic is affecting the Swedish economy and labour market, the Riksbank has expanded its collection and compilation of high-frequency data, known as real-time indicators. The Riksbank has opened an experimental public channel, through which academics and private companies can contribute data and visualisations in real time. These indicators are used for analysis and some of them are also reported in the Monetary Policy Reports.
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