IDEFF - Institute for Economic, Fiscal and Tax Law
Home | Initiatives | European and International Tax Law
Conference "Taxing the Digital Economy" ** REGISTRATIONS CLOSED
20 July 2018, University of Lisbon

Scientific Coordination: Ana Paula Dourado (Intertax & IDEFF, University of Lisbon) and Rita de la Feria (University of Leeds, CIDEEFF)


8:50 - 9:00 Welcome Address
Ana Paula Dourado (Intertax & IDEFF, University of Lisbon)
Rita de la Feria (University of Leeds, CIDEEFF)

9:00 - 10:30 Session 1: Taxing the Digital Economy – Policy Update
Chair: Stephanie Johnston (Tax Analysts)
David Bradbury (OECD): OECD Report on Taxing the Digital Economy
David Howell (EU Commission): Commission proposal on digital taxes
Irving Aw (IMF): IMF position on digital taxation 

10:00 - 10:30 Debate

10:30 - 11:00 Coffee Break

11:00 - 12:00 Session 2: Income Taxes - Short Term Solutions
Chair: Joachim Englisch (University of Münster)
Christoph Spengel (University of Mannheim): Taxing digital businesses: a digital tax index
Ana Paula Dourado (University of Lisbon): Short term tax digital strategies
Georg Kofler (Johannes Kepler University of Linz): The EU Digital Services Tax Proposal - Assessment

12:00 - 12:30 Debate

12:30 - 14:00 Lunch

14:00 - 15:30 Session 3: Income Taxes - Long Term Solutions
Chair: Rita de la Feria (University of Leeds)
Allison Christians (McGill University): Digital strategies for aligning tax and value creation
Johannes Becker & Joachim Englisch (University of Münster): User involvement for profit allocation: a destination-based CIT?
Judith Freedman (University of Oxford): Personal Income Tax and the gig economy

15:00 - 15:30 Debate

15:30 - 15:50 Coffee Break

15:50 - 17:20 Session 4: VAT - Immediate Solutions?
Chair: Ana Paula Dourado (University of Lisbon)
Joachim Englisch (University of Münster): VAT in the age of the platform economy
Rita de la Feria (University of Leeds): VAT enforcement in the digital age

16:50 - 17:20 Debate and Closing


Administrative coordination:
Raphael Monteiro (
Joana Fernandes


For the registration, please fill the following registration form.

- Registration: 350 euros.
- 50% discount for students;
- 200 euros for judges and AT workers
- 20% discount for 5 registrations from the private sector




« back

Faculdade de Direito da Universidade de Lisboa