This paper draws on a sample of innovative Catalan firms to identify the effects of the two main sources of innovation - internal R&D and external R&D acquisition - on productivity in the manufacturing and service industries. The sample comprises a 3,267 firms from the CIS-4 for the years...

The COVID-19 shock hit firms hard, on average, but how did it hit in the distribution of firms, differently between the high-growth superstars and the firms that were already struggling to survive? This paper implements graphical techniques and quantile regression to analyse the effect of the...