1 “...This paper analyses the characteristics of firms that operate at the global productivity frontier...”

2 “... frontier, but rather rising labour productivity at the global frontier coupled with an increasing labour...”

3 “.... And these correlations weaken with firm size and with proximity to the frontier, such that when one ignores firm...”

4 “... on average for about one third of the labour productivity gap between firms at the productivity "frontier...”

5 “... reallocation. Moreover, younger laggards converge faster toward the productivity frontier, suggesting...”