combines elements of the literatures on economic geography, multinational firms, urban economics, and trade theory. A two …

-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 …

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 …

Using a large-scale online experiment with more than 8,000 U.S. respondents, we examine how the demand for a politics … newsletter changes when the newsletter content is fact-checked. We first document an overall muted demand for fact-checking when …-checking reduces demand among respondents with strong ideological views and increases demand among ideologically moderate respondents …

. In the longer run, however, a trade-off between diversification and climate action emerges. We derive the optimal carbon …