Publications / Under Review

Back to Trend: COVID Effects on E-commerce in 44 Countries

(Joel Alcedo, Alberto Cavallo, Bricklin Dwyer, Prachi Mishra, Antonio Spilimbergo), NBER Working Paper No. 29729, Journal of Macroeconomics , May 2025

We study online spending shares in 44 economies and 26 industries during the COVID-19 pandemic, using online transaction data from Mastercard. The online shares of total credit card transactions surged during the pandemic during lockdowns, but since returned to pre-pandemic trends in most countries. The differences between countries are strongly correlated with the mobility and fiscal measures. There is little evidence of permanent structural changes in e-commerce spending patterns. Finally, we estimate that COVID-19-related restrictions on in-person spending imposed average welfare costs of 7 percent.

Doing More for Less? New Evidence on Lobbying and Government Contracts

This paper exploits the unanticipated sequestration of federal budget accounts in March 2013 to examine how contractors adjusted lobbying activities in response to the sequester. The sequestration reduced the funds disbursed through procurement. Firms with limited exposure to the cuts reduced lobbying spending after the event, whereas firms with high exposure maintained, or even increased, lobbying expenses. More affected firms appear to have intensified lobbying efforts to distinguish themselves, and to improve their chances of procuring a larger share of the reduced pie. These effects are stronger for government-dependent sectors and sectors where competition is more intense.

Fiscal Consolidation and Public Debt

(Sakai Ando, Prachi Mishra, Nikhil Patel, Adrian Peralta-Alva, Andrea F. Presbitero), Journal of Economic Dynamics and Control , Article No. 104998. 2024, (Ashoka Economics Discussion Paper No. 126), November 2024

High public debt is urging policy makers to consider strategies to rebuild buffers and preserve debt sustainability. We focus on discretionary fiscal consolidation, defined as an increase in the ratio of primary balance (the difference between government revenues and non-interest expenditures) to GDP not driven by business cycle considerations, and evaluate whether—and under which conditions—it is likely to be associated with a durable reduction in public debt to GDP ratios. Our findings, based on a large sample of advanced and emerging countries, indicate that, on average, discretionary fiscal consolidation has a minimal impact on debt ratios. However, discretionary consolidations implemented during economic upturns or in scenarios where they can “crowd in” private investment, are more likely to be associated with sustained reductions in debt ratios.

Understanding the International Rise and Fall of Inflation Since 2020

(Prachi Mishra, Mai Chi Dao, Pierre-Olivier Gourinchas, Daniel Leigh), Journal of Monetary Economics, Volume 148, November 2024. (Ashoka Economics Discussion Paper 119), November 2024

This paper analyzes inflation dynamics in 21 advanced and emerging market economies since 2020. We decompose inflation into core inflation as measured by the weighted median inflation rate, and headline shocks––deviations of headline inflation from core. Headline shocks occurred largely on account of energy price changes, although food price changes and indicators of supply chain problems also played a role. We explain the evolution of core inflation with two factors: the strength of macroeconomic conditions—measured by the unemployment gap, the output gap, and the ratio of job vacancies to unemployment—and the pass-through into core inflation from past headline shocks. We conclude that the international rise and fall of inflation since 2020 largely reflected the direct and pass-through effects of headline shocks. Macroeconomic conditions generally played a secondary role. In the United States, estimated price pressures from strong macroeconomic conditions had been greater than in other economies but have eased.

Cross-border Spillovers: How US Financial Conditions affect M&As Around the World

We find that financial conditions in the core have significant spillover effects on cross-border mergers and acquisitions (M&As). On average, a 1 percentage point easing of the IMF US Financial Conditions Index is associated with approximately a 10% higher volume of crossborder M&As. The spillovers are stronger for countries with more liabilities denominated in foreign currency (or in US dollars). We find that the spillovers are driven by changes in US financial conditions, rather than changes in Euro Area conditions. Deals that happen when financial conditions in the US are tighter (and therefore acquisitions fewer) add more value for the acquirers, as reflected in higher acquirer excess stock returns around the announcement.

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