https://macropaperwarehouse.com/authors/danial-lashkari/Danial LashkariHugo -- gohugo.ioen-ushttps://macropaperwarehouse.com/papers/aggregation-and-the-estimation-of-quality-change-application-to-u.s.-import-prices/https://macropaperwarehouse.com/papers/aggregation-and-the-estimation-of-quality-change-application-to-u.s.-import-prices/<p>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 to identify flexible demand systems from prices and market shares alone when supply and demand shocks are correlated. The paper makes a theoretical contribution and a methodological one, then applies both to the measurement of US import price inflation over 1989–2016.</p>