framework and firm-level prices and quantities data for detailed products allowing us to both measure demand, and its changes …. This in turn allows us to measure how changes in TFP-Q, demand and markups ultimately affected revenue TFP, as well as …-recession is due to both a weakening of demand and a decreasing TFP-Q pushing down sales, markups, revenue TFP and labour …

We propose a theory of indebted demand, capturing the idea that large debt burdens by households and governments lower … aggregate demand, and thus natural interest rates. At the core of the theory is the simple yet under-appreciated observation … lead to indebted household demand, pushing down natural interest rates. Moreover, popular expansionary policies—such as …

-entry dynamics of quantities, but no post-entry dynamics of markups. This suggests that shifts in demand play an important role in … successful entry, but that firms do not use dynamic manipulation of markups as an instrument to shift demand. We structurally … advertising to acquire new customers and thereby shift demand and increase sales. In the second, they use temporarily low markups …