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The Covid-19 Pandemic has led to changes in expenditure patterns that can introduce significant bias in the measurement of Consumer Price Index (CPI)...
- 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...
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Keywords:
Prices;
Controls;
Price Dispersion;
Economics;
Price;
Cost Management;
Goods and Commodities;
Retail Industry;
Argentina
- 2020
- Working Paper
Inflation with COVID Consumption Baskets
By: Alberto Cavallo
The COVID-19 Pandemic has led to changes in expenditure patterns that can introduce significant bias in the measurement of Consumer Price Index (CPI) inflation. I use publicly-available data on credit and debit card transactions to update the official CPI weights and...
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- 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 web-sites of large multi-channel retailers and then carefully matched into narrowly-defined...
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- 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...
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