Jakob Molinder, Tobias Karlsson, Kerstin Enflo, 23 October 2019

History has shown that new technology can disrupt societies, and current developments in automation have raised anxious speculation on what might happen if stable middle-class jobs are taken over by machines. This column analyses the impact of technological change on labour markets and social protests, taking the case of the adoption of electricity in early 20th century Sweden. It finds that electrification did increase the incidence of local strikes, but that disputes were associated with workers demanding higher wages and better working conditions rather than attempting to block innovation.

Bo Becker, Victoria Ivashina, 28 March 2019

In the past 30 years, defaults on corporate bonds in the US have been substantially above the historical average. Using firm-level data, this column shows that the increase in credit risk can be largely attributed to an increase in the rate at which new and fast-growing firms displace incumbents, a phenomenon defined as ‘disruption’. Incumbent revenue growth suffers when there are many IPOs in an industry, and newly issued bonds in high-disruption industries have higher yields.

Antonio Fatás, Beatrice Weder di Mauro, 07 May 2018

Economists have been dismissive of cryptocurrencies, but fintech entrepreneurs and enthusiasts continue to see their disruptive potential. This column considers the theoretical and practical arguments on both sides of the debate. Traditional currencies are overwhelmingly superior as forms of money, and cryptocurrencies’ advantage in terms of lax regulation is unlikely to last. There remains, however, ample potential for innovation in payment systems.

Josh Angrist, Sydnee Caldwell, Jonathan Hall, 08 December 2017

Ridesharing services like Uber and Lyft have disrupted taxi markets in many countries around the world. This column examines the differences between rideshare services and taxis from the driver’s point of view. It argues that the crucial difference comes down to the need to lease a medallion to drive a taxi versus the pro rata fee that rideshare services charge. Many high-volume drivers display ‘lease aversion’, opting for the pro rata rideshare service despite the lease model for taxis offering a better return.

Juergen Braunstein, Marion Laboure, 11 November 2017

Despite specialised press coverage, little is known about the potential wider socioeconomic implications of digital wealth management solutions. This column examines how ‘robo-advisors’ offer an opportunity to democratise finance and decrease wealth inequality. These algorithmic investment advisors stand to disrupt the wealth management sector through their ‘low-cost, accessible to most’ business models. However, the entrance of traditional wealth managers into the robo-advisor market could threaten this disruption.

Jon Danielsson, Eva Micheler, Katja Neugebauer, Andreas Uthemann, Jean-Pierre Zigrand, 23 February 2015

The proposed EU capital markets union aims to revitalise Europe’s economy by creating efficient funding channels between providers of loanable funds and firms best placed to use them. This column argues that a successful union would deliver investment, innovation, and growth, but it depends on overcoming difficult regulatory challenges. A successful union would also change the nature of systemic risk in Europe.

Jason Fletcher, Stephen Ross, 03 November 2013

There is a large and growing literature on peer effects, but much less is known about the role of friendships and social relationships in student outcomes. The best evidence on the mechanisms behind aggregate peer effects suggests an important role for discipline and disruption. Very recent research suggests that friends can also have a substantial effect on student outcomes, and in many cases the effect of friends appears to be independent of aggregate peer effects.

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