We study the cyclicality of public R&D in 28 OECD countries (1995-2017). While procyclical on average, public R&D reacts asymmetrically over different phases of the business cycle and becomes acyclical during recessions. It is also heterogeneous across countries: Innovation leaders and followers...

Based on the decline in real GDP growth, many economists now believe that the 'Great Recession', the output contraction the world experienced in 2008–09, is the deepest global economic contraction since the Great Depression. But as real-time real GDP data are typically revised, we investigate...

We propose a nonparametric test that distinguishes “depressions” and “booms” from ordinary recessions and expansions. Depressions and booms are defined as coming from another underlying process than recessions and expansions. We find four depressions and booms in the NBER business cycle...