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Confronted with a novel, aggressive coronavirus, Germany implemented measures to reduce its spread since March 2020. Requiring people to wear face masks in public places has, however, been a subject of controversy and isolating the effect of mask-wearing on the spread of COVID-19 is not simple. This column looks at the town of Jena and other German regions that introduced face masks before the rest of the country to see whether the requirement makes a difference in the number of new COVID-19 cases. Requiring face masks to be worn decreases the growth rate of COVID-19 cases by about 40% in Germany.

Originally posted 17 November 2007, this Vox column is more relevant than ever arguing that adopting the euro is effectively irreversible. Leaving would require lengthy preparations, which, given the anticipated devaluation, would trigger the mother of all financial crises. National households and firms would shift deposits to other Eurozone banks producing a system-wide bank run. Investors, trying to escape, would create a bond-market crisis. Here is what the train wreck would look like.

Official statistics for US high school graduation rates mask a growing educational divide. This column presents research showing that a record number of Americans are going to university – while an increasing number are dropping out of high school. This poses major social challenges for the United States.

It is still not clear among economic historians why the Industrial Revolution actually took place in 18th century Britain. This column explains that it is the British Empire’s success in international trade that created Britain’s high wage, cheap energy economy, and it was the spring board for the Industrial Revolution.

The 'Scramble for Africa' – the artificial drawing of African political boundaries among European powers in the end of the 19th century – led to the partitioning of several ethnicities across newly created African states. This columns shows that partitioned ethnic groups have suffered significantly longer and more devastating civil wars. It also uncovers substantial spillovers as ethnic conflict spreads from the historical homeland of groups partitioned to nearby areas where non-split ethnicities reside.

Despite the revolutionary technological advance of the printing press in the 15th century, there is precious little economic evidence of its benefits. Using data on 200 European cities between 1450 and 1600, this column finds that economic growth was higher by as much as 60 percentage points in cities that adopted the technology.

A recent ECB household-wealth survey was interpreted by the media as evidence that poor Germans shouldn’t have to pay for southern Europe. This column takes a look at the numbers. Whilst it’s true that median German households are poor compared to their southern European counterparts, Germany itself is wealthy. Importantly, this wealth is very unequally distributed, but the issue of unequal distribution doesn’t feature much in the press. The debate in Germany creates an inaccurate perception among less wealthy Germans that transfers are unfair.

Polarised politics in the wake of financial crises echo throughout modern history, but evidence of a causal link between economic downturns and populism is limited. This column shows that financial crisis-induced misery boosted far right-wing voting in interwar Germany. In towns and cities where many firms were exposed to failing banks, Nazi votes surged. In particular, places exposed to the one bank led by a Jewish chairman registered particularly strong increases of support – scapegoating Jews was easier with seemingly damning evidence of their negative influence.  

Societies characterised by a high transmission of socioeconomic status across generations are not only more likely to be perceived as ‘unfair’, they may also be less efficient as they waste the skills of those coming from disadvantaged backgrounds. Existing evidence suggests that the related earnings advantages disappear after several generations. This column challenges this view by comparing tax records for family dynasties (identified by surname) in Florence, Italy in 1427 and 2011. The top earners among the current taxpayers were found to have already been at the top of the socioeconomic ladder six centuries ago. This persistence is identified despite the huge political, demographic, and economic upheavals that occurred between the two dates. 

The effects of of globalisation on income distributions in rich countries have been studied extensively. This column takes a different approach by looking at developments in global incomes from 1988 to 2008. Large real income gains have been made by people around the median of the global income distribution and by those in the global top 1%.  However, there has been an absence of real income growth for people around the 80-85th percentiles of the global distribution, a group consisting of people in ‘old rich’ OECD countries who are in the lower halves of their countries’ income distributions.

Britain eschewed EU membership in the late 1950s but changed its mind in the early 1960s, only to be rebuffed by Charles de Gaulle. Membership came only in the early 1970s. This column argues that, among others, Britain joined the EU as a way to avoid its economic decline. The UK’s per capita GDP relative to the EU founding members’ declined steadily from 1945 to 1972. However, it was relatively stable between 1973 and 2010. This suggests substantial benefits from EU membership especially considering that, by sponsoring an overpowered integration model, Britain joined too late, at a bad moment in time, and at an avoidably larger cost.