Labor effort crucial for euro area business cycles and inflation dynamics
A Banca d'Italia working paper finds that labor effort plays a significant role in euro area business cycles, outperforming other explanations for procyclical labor productivity. The study concludes that the effort margin dampens inflation volatility, offering new insights for central bank policy.
Labor effort emerges as key business cycle driver
A new estimated New Keynesian business cycle model, incorporating labor search frictions and variable factor utilization, reveals that labor input varies along employment, hours, and effort.
The study, conducted by Vivien Lewis and Stefania Villa, finds significant evidence for the use of the effort margin in labor adjustment within the euro area.
This model, which explicitly accounts for labor effort, demonstrably outperforms alternative models that rely on variable capital utilization or dominant technology shocks to explain procyclical labor productivity.
Counterfactual simulations further indicate that the effort margin effectively reduces inflation variability while simultaneously making output more volatile.
These findings suggest that the labor effort margin's ability to dampen inflation fluctuations is a desirable characteristic for central banks in their pursuit of price stability.
Beyond capital utilization: A new labor perspective
The paper addresses the strongly procyclical nature of labor productivity in the euro area, a pattern often challenging for standard business cycle models to replicate, particularly with non-technology shocks.
By introducing variable factor utilization, the model explains how additional output can be produced without solely adjusting employment or hours.
This is crucial for European economies, which exhibit smaller employment flows and greater reliance on changes in hours per worker due to institutional labor market frictions.
The research emphasizes that variable utilization is more critical for labor than for capital, advocating for the inclusion of labor utilization in future business cycle models designed for policy analysis.
This adds weight to explanations for the importance of labor effort in the Euro Area, where the cyclicality of labor productivity has not fallen.
A timely and policy-relevant finding
The paper's finding that labor effort dampens inflation volatility is highly relevant for central banks, offering a nuanced understanding of labor market dynamics.
It provides valuable insights that can inform monetary policy decisions, particularly in the euro area's unique institutional context.
However, the practical challenges of accurately measuring and integrating 'effort' into real-time policy models remain a significant hurdle for operational implementation.