by Dan Andrews, Müge Adalet McGowan and Valentine Millot, Productivity Workstream, OECD Economics Department
Weak productivity growth is a major problem afflicting our societies. It curbs growth in incomes and endangers the sustainability of our social security systems. An important, but often ignored, source of the productivity slowdown is the increasing prevalence of weakly productive firms and, among them, “zombie firms” – i.e. firms that would typically exit or be forced to restructure in a competitive market. In this context, a new OECD study shows that this prevalence is closely related to weaknesses in the banking system and insolvency regimes. It argues that reviving productivity growth will partly depend on the policies that restore banking health and effectively facilitate the exit or restructuring of weak firms, while simultaneously coping with any social costs that arise from a heightened churning of firms and jobs.
The prevalence and productive resources sunk in “zombie” firms – defined as old firms that have persistent problems meeting their interest payments – have risen since the mid-2000s in a number of OECD countries (Figure 1). In Italy, for example, the share of the industry capital stock sunk in zombie firms rose from 7% to 19% between 2007 and 2013. Zombie firms represent a drag on productivity growth as they congest markets and divert credit, investment and skills from flowing to more productive and successful firms and contribute to slowing down the diffusion of best practices and new technologies across our economies.
Data from figure available here.
What can policy do?
New OECD indicators suggest that there is much scope to improve the design of insolvency regimes to accelerate the restructuring or exit of weak firms and thus revive productivity growth (Figure 2). For example, insolvency reforms that reduce barriers to corporate restructuring and the personal cost associated with entrepreneurial failure could translate into a decline in the zombie capital share of at least 9 percentage points in Spain, Italy or Portugal – countries where the zombie capital share stood at 28%, 19% and 16% in 2013, respectively. The good news is that in recent years insolvency reforms have already taken place in a number of countries, which are likely to partly achieve some of these gains.
Data from figure available here.
Zombie firms are more likely to be connected to weak banks, suggesting that zombie congestion partly stems from bank forbearance – i.e. the tendency for weak banks to bet on the resurrection of failing firms. This underscores the importance of a more aggressive policy to resolve non-performing loans, but this can only be truly effective if accompanied by complementary reforms to insolvency regimes. Distortions in the banking sector also highlight the importance of market-based financing instruments for productivity growth, with the inherent debt bias in corporate tax systems and the lack of venture capital financing emerging as key barriers to technological diffusion.
Finally, reforms that accelerate corporate restructuring should be coupled with policies to manage the social costs of worker displacement. Job search and retraining programs turn out to be effective in returning workers displaced by firm exit to work, particularly in environments where barriers to firm entry are low as this stimulates job creation.
Adalet McGowan, M., D. Andrews and V. Millot (2017), “Confronting the Zombies: Policies for Productivity Revival“, OECD Economics Department Policy Papers, No. 21.
Andrews, D. and F. Petroulakis (2017), “Breaking the Shackles: Zombie Firms, Weak Banks and Depressed Restructuring in Europe”, OECD Economics Department Working Papers, No. 1433.
Adalet McGowan, M., D. Andrews and V. Millot (2017), “Insolvency Regimes, Technology Diffusion and Productivity Growth: Evidence from Firms in OECD Countries“, OECD Economics Department Working Papers, No. 1425.
Adalet McGowan, M., D. Andrews and V. Millot (2017), “Insolvency regimes, zombie firms and capital reallocation”, OECD Economics Department Working Papers, No. 1399.
Adalet McGowan, M., D. Andrews and V. Millot (2017), “The Walking Dead?: Zombie Firms and Productivity Performance in OECD Countries”, OECD Economics Department Working Papers, No. 1372.
Andrews, D. and A. Saia (2017), “Coping with creative destruction: Reducing the costs of firm exit“, OECD Economics Department Working Papers, No. 1353.
Adalet McGowan, M. and D. Andrews (2016), “Insolvency Regimes And Productivity Growth: A Framework For Analysis”, OECD Economics Department Working Papers, No. 1309.
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