In recent years, the global community has promoted several initiatives aimed at breaking bank secrecy in tax havens. Such treaties for the exchange of information among tax offices can be effective. A treaty between country A and tax haven B reduces deposits from A in banks of B by approximately...

We document that the first leak of customer information from a tax haven bank caused a sudden flight of deposits from tax havens and a sharp decrease in the market value of banks known to be assisting with tax evasion. The loss of market value was largest for the banks most strongly involved in...

We document that the first leak of customer information from a tax haven bank caused a significant decrease in the market value of Swiss banks known to be assisting with tax evasion and that the decrease was largest for the banks most strongly involved. These findings suggest that markets...

Offshore tax havens cause large losses of government revenue by facilitating tax evasion by wealthy individuals. This paper focuses on offshore tax evasion in developing countries and documents two empirical regularities. First, there is no clear development gradient in the exposure to offshore...

Automatic exchange of information (AEoI) for tax purposes has become the global standard for international tax cooperation in 2013. As a tool for containing offshore tax evasion, it has encountered opposition in the past and continues to be fraught with challenges. This paper recapitulates the...

Using the Foreign Account Tax Compliance Act (FATCA) as an exogenous shock that reduces the tax advantages of offshore funds sold to U.S. investors, we document that affected funds significantly enhance their performance as a response. This effect is stronger for funds domiciled in tax havens...

Tax authorities worldwide are implementing voluntary disclosure schemes to recover tax on offshore investments. Such schemes are typically designed retrospectively following the bulk acquisition of information on offshore holdings, such as the recent "Paradise" and "Panama" papers. They offer an...

In recent years tax authorities worldwide have implemented voluntary disclosure schemes to recover tax on offshore investments. Such Schemes are characterized by the acquisition of non-audit information on offshore holdings, and a subsequent opportunity for affected taxpayers to make a voluntary...