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Xavier Jaravel

Xavier Jaravel

Research Associate

Alternative webpage

Xavier is an IFS Research Associate, based at the London School of Econonomics, whose research areas include public economics, the economics of innovation, and the economics of inequality.

Academic outputs

IFS Working Paper W20/33
High-frequency changes in shopping behaviours, promotions, and the measurement of inflation: evidence from the Great Lockdown
We use real-time scanner data in Great Britain during the COVID-19 pandemic to investigate the drivers of the inflationary spike at the beginning of lockdown and to quantify the impact of high-frequency changes in shopping behaviours and promotions on inflation measurement.
Journal article | Journal of Public Economics
Real-time price indices: Inflation spike and falling product variety during the Great Lockdown
We characterize inflation dynamics during the Great Lockdown using scanner data covering millions of transactions for fast-moving consumer goods in the United Kingdom. We show that there was a significant and widespread spike in inflation.

Reports and comment

Briefing note
Grocery prices and promotions during the COVID-19 pandemic
In this briefing note, we use comprehensive real-time data on grocery purchases and prices in Great Britain to show how inflation and promotional activity has evolved up until the beginning of August 2020.
Briefing note
Inflation spike and falling product variety during the Great Lockdown
The COVID-19 pandemic led many countries to implement social distancing, lockdowns and travel restrictions, which have resulted in a collapse in the world economy unprecedented in peacetime.

Presentations