Using panel data on a 20% random sample of Canadian taxpayers, we study behavioral responses to the cancellation of a lifetime capital gains exemption that resulted in increased capital gains taxation for some individuals. The unique setting allows us to distinguish between short-term avoidance...

This paper uses all Value Added Tax (VAT) changes across all EU Member States from 1988 to 2016 to estimate the effect of VATs on trade flows. We find small elasticities of trade flows with respect to VATs, in spite of some of the VAT changes being substantial. We estimate substantially smaller...

We study U.S. state tax rules over the past 70 years to shed light on the determinants of U.S. state tax policy, generating three key results. First, we show that long-term tax trends are not consistent with Tiebout sorting and race-to-the-bottom competition models. Second, we document evidence...

Moonlighting is increasingly popular in OECD countries, with 5 to 10% of workers holding two or more jobs. However, little is known about the responsiveness of moonlighting to financial incentives due to the lack of identifying variation. This paper studies a unique reform in Germany that...

We study a difference-in-differences (DiD) framework where groups experience unequal treatment statuses in the pre-policy change period. This approach is commonly employed in empirical studies but it contradicts the canonical model's assumptions. We show that in such settings, the standard DiD...