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  • 2002
  • Report

Is the Price Right?: The CPI for Internet Access

By: Shane Greenstein
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  • June 2024
  • Article

Inflation with COVID Consumption Baskets

By: Alberto Cavallo
The Covid-19 pandemic led to changes in expenditure patterns that introduced significant bias in the measurement of Consumer Price Index (CPI) inflation. Using publicly-available data on card transactions, I updated the official CPI weights and re-calculated inflation... View Details
Keywords: COVID; Consumer Expenditures; CPI; Inflation; Consumer Behavior; Inflation and Deflation; Health Pandemics
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  • 07 Mar 2017
  • News

UK prices rising faster after Brexit vote

  • March 2018
  • Article

Scraped Data and Sticky Prices

By: Alberto Cavallo
I use daily prices collected from online retailers in five countries to study the impact of measurement bias on three common price stickiness statistics. Relative to previous results, I find that online prices have longer durations, with fewer price changes close to... View Details
Keywords: Online Data; Scraped Data; Sticky Prices; Scanner Data; Consumer Price Index; Price; Data and Data Sets
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  • File

Data and Replication Files

  • 13 Jul 2020
  • News

Inflation: baskets of plenty

  • 2023
  • Working Paper

Detecting Structural Breaks in Inflation Trends: A High-Frequency Approach

By: Alberto Cavallo and Gaston Garcia Zavaleta
We combine standard structural-break methods with high-frequency data to identify shifts in inflation trends. We use this approach to study the inflation dynamics of 25 countries from January 2022 to April 2023 and find evidence of a broad-based slowdown in about half... View Details
Keywords: Inflation and Deflation; Global Range; Economic Slowdown and Stagnation; Analysis; Price
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  • March 2021
  • Article

Targeted Price Controls on Supermarket Products

By: Alberto Cavallo and Diego Aparicio
We study the impact of targeted price controls for supermarket products in Argentina from 2007 to 2015. Using web scraping, we collected daily prices for controlled and non-controlled goods and measured the differential effects on inflation, product availability, and... View Details
Keywords: Prices; Controls; Price Dispersion; Economics; Price; Cost Management; Goods and Commodities; Retail Industry; Argentina
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  • 13 Oct 2021
  • News

What’s Wrong with America’s Consumer-Price Index?

  • 2019
  • Working Paper

Real Exchange Rate Behavior: New Evidence from Matched Retail Goods

By: Alberto Cavallo, Brent Neiman and Roberto Rigobon
We use a dataset containing daily prices for thousands of matched retail products in nine countries to study tradable-goods real exchange rates. Prices were collected from the websites of large multi-channel retailers and then carefully matched into narrowly-defined... View Details
Keywords: Purchasing Power Parity; Online Prices; Real Exchange Rate; Macroeconomics; Currency Exchange Rate; Price; Internet and the Web
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  • 31 Jan 2017
  • First Look

First Look at New Research: January 31, 2017

https://www.hbs.edu/faculty/Pages/item.aspx?num=52140 Winter 2017 CPI Antitrust Chronicle Google, Mobile and Competition: The Current State of Play By: Edelman, Benjamin G. Abstract— I present Google practices that have raised objections... View Details
Keywords: Carmen Nobel
  • 01 Feb 2019
  • HBS Seminar

Xavier Jaravel, London School of Economics

  • 20 Mar 2018
  • First Look

First Look at New Research and Ideas, March 20, 2018

that online prices have longer durations, with fewer price changes close to zero, and hazard functions that initially increase over time. I show that time-averaging and imputed prices in scanner and CPI data can fully explain the... View Details
Keywords: Sean Silverthorne
  • 10 Aug 2010
  • First Look

First Look: August 10

positioned to take action. When Should a Platform Give People Fewer Choices and Charge More for Them? Authors:Mikołaj Piskorski and Hanna Halaburda Publication:The CPI Antitrust Journal 6, no. 2 (autumn 2010) An abstract is not available... View Details
Keywords: Martha Lagace
  • 06 Mar 2018
  • First Look

First Look at Research and Ideas, March 6, 2018

2015. Using web scraping, we collected daily prices for controlled and non-controlled goods and measured the differential effects on inflation, product availability, and price dispersion. We first show that, although price controls are imposed on goods with significant... View Details
Keywords: Sean Silverthorne