Taxation has a vital role as a domestic financial source to achieve Sustainable Development Goals (SDGs). To increase domestic revenue, combating tax avoidance is important, especially for Indonesia, one of the most populous countries with the fact that the 2020 country's tax-to-GDP ratio...

We derive determinants of tax avoidance by means of a multi-task principal-agent model. We extend prevailing models by integrating both corporate and individual income taxation as well as by including tax planning effort in the agent’s action portfolio. Our model shows novel and apparently...