Xavier is an Assistant Professor of Economics at the London School of Economics and an IFS Research Associate. His research areas include public economics, the economics of innovation, and the economics of inequality.
Education
PhD Business Economics, Harvard University, 2015
BA (Summa Cum Laude) Economics and Political Science, Sciences Po, 2011
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.
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.
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.
We characterize inflation dynamics during the Great Lockdown using scanner data covering millions of transactions for fast-moving consumer goods in the United Kingdom.
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.
