Errico and Lashkari address two intertwined problems in the measurement of aggregate price indices: how to account for quality change and variety entry/exit when the demand system is not CES, and how …
PublishedAmerican Economic ReviewOnline 1 Dec 2025Published Dec 2025
The paper asks three related questions in the context of Belgium, a small open economy: (1) What do firms' responses to demand shocks reveal about their cost structures? (2) What are the worker and …