-on empirical work, Bloom, Jones, Van Reenen and Webb (2020) document declining research productivity across a number of domains … organizations have become worse at research. We test a structural model of Jones using BJVW data and fail to find evidence of …

of two terms: the effective number of researchers and their research productivity. We present a wide range of evidence … from various industries, products, and firms showing that research effort is rising substantially while research … increases in research effort that offset its declining productivity …