externalities and dynamic trade models that feature monopolistic competition, endogenous entry, and heterogeneous firms. The … production externalities in the representative firm model have to be introduced in the intermediate and final good sectors so …

In this paper, we aim to bring the debate on the global productivity slowdown – which has largely been conducted from a … macroeconomic perspective – to a more micro-level. We show that a particularly striking feature of the productivity slowdown is not … so much a lower productivity growth at the global frontier, but rather rising labour productivity at the global frontier …

its export tax to another country if a) higher productivity in that country is good for the Home, and b) more exports to …