Does Internet expansion matter for export concentration?
Why do export sales increasingly concentrate among a few “superstars”? This paper is the first to argue that the expansion of the Internet matters for this phenomenon. Using firm-level customs transaction data from 11 developing countries, we show that the spread of the internet steepens the slope of the rank-sales relationship among exporters. This shift implies a more skewed distribution of sales toward the top exporters. Furthermore, incumbent superstar exporters are more likely to retain their status owing to a better Internet.