Restoring competition in the digital economy

Dhaka,  Thu,  17 August 2017
Published : 20 May 2017, 18:05:48
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Restoring competition in the digital economy

Dalia Marin in Munich
The digital economy is carving out new divides between capital and labour, by allowing one firm, or a small number of firms, to capture an increasingly large market share. With "superstar" companies operating globally, and dominating markets in multiple countries simultaneously, market concentration throughout the Group of Twenty (G20) developed and major emerging economies has increased considerably in just the past 15 years.

To address this phenomenon, the G20 should create a World Competition Network to restore competition and address income inequality between capital and labour. As a larger share of total income shifts to capital across many G20 countries, the World Competition Network would seek to reverse the decline in labour's share of GDP.

During the period after World War II, 70% of national GDP went to labour income, and the remaining 30% to capital income. John Maynard Keynes described the stability of the labour share as something of a "miracle." But the rule has since broken down. Between the mid-1980's and today, labour's share of world GDP declined to 58%, while capital's share rose to 42%.

Two forces in today's digital economy are driving the global decline in labour's share of total income. The first is digital technology itself, which is generally biased toward capital. Advances in robotics, artificial intelligence (AI),  and machine learning have accelerated the rate at which automation is displacing workers.

The second force is the digital economy's "winner-takes-most" markets, which give dominant firms excessive power to raise prices without losing many customers. Today's superstar companies owe their privileged position to digital technology's network effects, whereby a product becomes even more desirable as more people use it. And although software platforms and online services can be costly to launch, expanding them is relatively inexpensive. Consequently, firms that are already established can keep growing with far fewer workers than they would have needed in the past.

These factors help to explain why the digital economy has given rise to large firms that have a reduced need for labour. And, once these firms are established and dominate their chosen market, the new economy allows them to pursue anti-competitive measures that prevent actual and potential rivals from challenging their position. And, as the economists David Autor, David Dorn, Lawrence F. Katz, Christina Patterson, and John Van Reenen show, the US industries with the fastest-growing market concentration have also seen the largest drop in labour's share of income.

This increased market concentration is widening the gap between the firms that own the robots (capital) and the workers whom the robots are replacing (labour). But confronting it will require us to reinvent antitrust for the digital age. As it stands, national competition authorities in G20 countries are inadequately equipped to regulate corporations that operate globally.

Moreover, the G20 cannot simply trust that global competition will correct on its own the tendency toward increased market concentration. As Andrew Bernard has shown for the United States and Thierry Mayer and Gianmarco Ottaviano have demonstrated for Europe, international trade favours large superstar firms. Indeed, globalization may provide advantages to the largest and most productive firms in each industry, causing them to expand - and forcing smaller and less productive firms to exit. As a result, industries become increasingly dominated by superstar firms with a low share of labour in value added.

The US is a case in point. It is host to many of today's superstar firms, and yet US antitrust regulators have not been able to restrain those firms' market power. As the G20 looks for ways to address the problem of market concentration, it should take lessons from the US experience, and look for ways to improve upon the US's failures.

Rather than starting from scratch, we will need to build on national-level competition authorities' institutional knowledge, and include experienced personnel in the process. The European Competition Network can serve as a blueprint for a G20-level network.

The objective of a world competition network is to build an effective legal framework to enforce competition law against companies engaging in cross-border business practices that restrict competition. The network may coordinate investigations and enforcement decisions and develop new guidelines for how to monitor market power and collusive practices in a digital economy.

In the past, the G20 has focused on ensuring that multinational firms are not able to take advantage of jurisdictional differences to avoid paying taxes. But the G20 now needs to expand its scope, by recognizing that digital technologies are creating market outcomes that, if unchecked by a new World Competition Network, will continue to favour multinational firms at the expense of workers.

The writer is Chair of International Economics at the University of Munich and a senior research fellow at Breugel, the Brussels-based economic think tank. Project Syndicate, 2017.

distribution@project-syndicate.org

 
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