European Central Bank President Christine Lagarde has made a forceful case for completing the Capital Markets Union (CMU), describing it as an imperative to secure the euro's long-term stability and Europe's economic autonomy. Speaking at a conference in Frankfurt on June 19th, Lagarde argued that fragmented capital markets leave the eurozone vulnerable to external shocks and hinder the bloc's ability to finance innovation and green transitions.
Why the CMU Matters Now
Lagarde's remarks come amid heightened geopolitical tensions and energy price volatility, which have exposed the limits of Europe's current financial architecture. The CMU, a long-stalled project first proposed in 2015, aims to create a single market for capital across the EU's twenty-seven member states, allowing companies to raise funds more easily and investors to diversify across borders. Without it, Lagarde warned, the euro will remain a 'work in progress.'
'We cannot have a fully fledged currency without a fully integrated capital market,' she said. 'The euro is a symbol of our unity, but its strength depends on the depth and resilience of the financial system that underpins it.'
The ECB chief pointed to the United States as a benchmark: the U.S. capital market is far more integrated, enabling faster scaling of startups and smoother cross-state investment. Europe, by contrast, still operates largely through national silos, with varying insolvency laws, tax regimes, and supervisory standards.
Economic Sovereignty at Stake
Lagarde framed the CMU not just as a technical financial reform but as a matter of strategic autonomy. In a world where the U.S. and China are pouring capital into critical technologies and green infrastructure, Europe risks falling behind if it cannot mobilise savings efficiently. European households hold over €35 trillion in deposits, much of which remains parked in low-yield accounts rather than channelled into productive investment.
'Completing the CMU would unlock hundreds of billions of euros for the green and digital transitions,' Lagarde argued. 'It is a question of economic sovereignty.'
Her comments align with recent calls from the European Commission and the European Parliament to accelerate work on the CMU, including harmonising corporate insolvency rules, creating a European single access point for company data, and strengthening the role of the European Securities and Markets Authority (ESMA).
Political Hurdles Remain
Despite broad consensus on the goal, progress has been slow due to resistance from national capitals. Germany and France have clashed over the extent of centralisation, while smaller member states worry about losing control over their financial sectors. The European Banking Federation has warned that without political will, the CMU could remain a 'perpetual promise.'
Lagarde acknowledged the challenges but insisted that the cost of inaction is higher. 'We have the tools and the talent. What we need is the collective determination to finish the job,' she said.
The ECB president's intervention is likely to intensify debate ahead of the European Council summit later this month, where leaders are expected to discuss the bloc's economic competitiveness. The CMU is also a key pillar of the EU's broader push to strengthen the international role of the euro, which has been undermined by the energy crisis and the war in Ukraine.
For a deeper look at how Europe's economic challenges intersect with climate policy, see our report on UNICEF's findings on climate-driven health threats to children across Europe.
Meanwhile, the energy shock triggered by the Iran conflict has already led the European Bank for Reconstruction and Development (EBRD) to cut its growth forecasts for the region, as detailed in our analysis of the EBRD's revised outlook.
