A number of shocks have hit the global economy in the past few years. They have led to a business environment of heightened inflation, tightened financial conditions, weakened trade linkages and increased uncertainties, threatening economic and productivity growth.
This is happening in a context of sluggish productivity growth over the last two decades in many OECD economies. The slowdown in productivity preceded the global financial crisis in some countries and occurred at a time of significant technological change, with increasing diffusion of digital technologies in the 2000s. This has been referred to as the productivity paradox and several views have been put forward to explain it:
Limited transformative nature and scale of today’s technological breakthroughs compared with those that took place in the past. The benefits from electricity, internal combustion engines, the invention of telephone and radio, spread out through the economy over many years. Recent innovations, such as ICT, although also revolutionary, have shown more rapid adoption and a shorter-lived impact on productivity and economic growth (Cowen, 2011[1]) (Gordon, 2012[2]).
A breakdown of the diffusion machine. Some studies suggest that an important explanation for the productivity slowdown is the slowing pace at which innovations spread from the most globally advanced firms to the rest of the economy (OECD, 2015[3]) (Andrews, Criscuolo and Gal, 2016[4]). In addition, low managerial quality and the lack of ICT skills can curb the adoption of digital technologies and the rate of diffusion (Andrews, Nicoletti and Timiliotis, 2018[5]), and OECD work on The Human Side of Productivity shows that more productive firms tend to employ a larger share of skilled employees and operate with a larger share of managerial roles (OECD, 2019[6]) (Criscuolo et al., 2021[7]). Financing constraints specific to intangible assets, that help to enable the adoption and diffusion of technologies, may also play a role (Demmou and Franco, 2021[8]).
Sectoral changes. The long-term shift from manufacturing to services, in particular the shift to lower-productivity personal services, may help explain the longer-term decline in productivity growth across (developed) economies. Demographic changes and more service-oriented consumption patterns, notably from ageing populations, may exacerbate this effect. Nevertheless, several studies conclude that the impact of this phenomenon is limited so far (Barnett et al., 2014[9]) (Kierzenkowski, Machlica and Fulop, 2018[10]) (Riley, Rincon-Aznar and Samek, 2018[11]) (Sorbe, Gal and Millot, 2018[12]) (Mourougane and Kim, 2020[13]). See Chapter 5 on Industry contributions to aggregate labour productivity growth in this publication for a more detailed discussion on the impact of reallocations across industries on aggregate labour productivity developments.
Measurement. Several measurement challenges can limit the analysis of recent productivity trends. Many of them relate to the measurement of factors of production and output, and especially the distinction between price and volume changes. New forms of doing business, driven by digitalisation, the sharing economy, and the increasing importance of knowledge-based assets, have added new measurement challenges and exacerbated the long-standing ones. While the jury is still out on the underlying causes, a growing body of evidence has suggested that measurement, or rather “mismeasurement”, is not the cause of the observed productivity slowdown (Syverson, 2017[14]) (Byrne, Fernald and Reinsdorf, 2016[15]) (Ahmad and Schreyer, 2016[16]) (Ahmad, Ribarsky and Reinsdorf, 2017[17]), though there are also studies suggesting some form of mismeasurement related in particular to intangible assets may indeed exist (Brynjolfsson, Rock and Syverson, 2021[18]).
Looking ahead, several megatrends such as ageing, and the green and digital transitions may impact productivity in the medium term. Their effects on economic performance remain to be seen. For instance, the green transition and policies underpinning it may impede economic performance over the medium term, but they could also boost it by inducing innovation in clean technologies (Dechezleprêtre and Kruse, 2018[19]).
The surge in generative Artificial Intelligence has also opened up new prospects for the future of productivity, but its economic impact and how it will affect different groups of workers and sectors, are uncertain (Autor, 2022[20]) (OECD, 2023[21]).