Due to advances in technology like mobile applications and online platforms, millions of American workers now earn income through “gig” work, which allows them the flexibility to set their own hours and choose which jobs to take. To the surprise of many gig workers, the tax law considers...

In the tax literature, the tax effort index for any country is usually measured by the ratio of the actual tax ratio to the predicted ratio. This reflects mainly the variance in the taxable capacity of a country. A high value of tax effort index indicates that a particular country is collecting...

In the tax literature, the tax effort index for any country is usually measured by the ratio of the actual tax ratio to the predicted ratio. This reflects mainly the variance in the taxable capacity of a country. A high value of tax effort index indicates that a particular country is collecting...

In the tax literature, the tax effort index for any country is usually measured by the ratio of the actual tax ratio to the predicted ratio. This reflects mainly the variance in the taxable capacity of a country. A high value of tax effort index indicates that a particular country is collecting...

Two global initiatives are examples of the effective use of tax systems instruments to protect countries' tax sovereignty in a world of increasing globalization. These OECD/G20 initiatives will provide tax administration and policy researchers with valuable insights on taxpayer and government...

This paper provides evidence of efficient taxation of groups with heterogeneous levels of ‘tax morale'. We set up an optimal income tax model where high tax morale implies a high subjective cost of evading taxes. The model predicts that ‘nice guys finish last': groups with higher tax morale...

The 2008 financial crisis is the worst economic crisis since the Great Depression of 1929. It has been characterised by a housing bubble in a context of rapid credit expansion, high risk-taking and exacerbated financial leverage, leading to deleveraging and credit crunch when the bubble burst....

This note investigates the impact of greater income inequality on the tax base, on the defacto fiscal space, and the sovereign spreads. Using data from 50 countries in 2005 and in 2010, we find that higher income inequality is associated with a lower tax base, lower de-facto fiscal space, and...

This paper provides evidence of efficient taxation of groups with heterogeneous levels of "tax morale". We set up an optimal income tax model where high tax morale implies a high subjective cost of evading taxes. The model predicts that "nice guys finish last": groups with higher tax morale will...