Group I: Tax Governance

The dichotomy between the Tax Constitution and its infra-constitutional realization by the Tax Administration and the Tax Courts praxis

The Portuguese Republic Constitution establishes in articles 103, 104 (the so-called “Tax Constitution”) and 165, no. 1, i) the main tax pri...
The dichotomy between the Tax Constitution and its infra-constitutional realization by the Tax Administration and the Tax Courts praxis

V Jean Monnet Prize for Social Sciences - Contest for young researchers

Submissões até 1 de junho de 2025
The Jean Monnet Network, a Policy Debate project, “BRIDGE Watch: values and democracy in the EU and Latin America”, co-funded by the Erasmus+ Pro...
V Jean Monnet Prize for Social Sciences - Contest for young researchers

New analysis and results on Tax Litigation at CAAD

In this report, we break down the partial results of the empirical analysis published in September 2022. The partial results regarding assessment...
New analysis and results on Tax Litigation at CAAD

CALL FOR PAPERS - The Lisbon International & European Tax Law Seminars 2024/2025

Submission by 28th February 2025
Call for papers on International and European tax law and policy topics, broadly construed. This call is dedicated to early career researchers...
CALL FOR PAPERS - The Lisbon International & European Tax Law Seminars 2024/2025

Tax Observatory - Tax, Fee and Contribution Collector

Taxation plays a central role in the economic and social organisation of the modern state. The establishment of a Taxation Observatory within the...

Thinking about the State Budget for 2025

Com a presença do Ministro das Finanças | 6 de novembro | Auditório FDUL
CIDEEFF and IDEFF are pleased to announce the conference ‘Thinking about the State Budget for 2025’, which will be attended by the Minister of Fin...
Thinking about the State Budget for 2025

Is the UTPR a 100 Percent Tax on a Deemed Distribution?

Prof. Dr. Fadi Shaheen | 24 de outubro | 17h | FDUL (Sala CARL2)
CIDEEFF and IDEFF are pleased to announce the holding of a seminar featuring Prof Dr Fadi Shaheen on the topic of ‘ Is the UTPR a 100 Percent T...
Is the UTPR a 100 Percent Tax on a Deemed Distribution?

Monitoring Tax Litigation in Portugal

Digital Platform
Digital Plataform This project is part of a larger study on tax litigation in Portugal. Its objective is to develop software that collects data...

Business Taxation On Portuguese Double Tax Treaties

This research  project focuses on analysis Portugal's double tax treaties policy in relation to business taxation. It entails a detailed analysis of...

Members Workshops

Sala CARL2
The Members Workshops are an activity organised by CIDEEFF for all the Members belonging to the research centre. These workshops aim to be a space...

PhD Workshops

Sala CARL2 (Piso 3)
The PhD Workshops are an activity organised by CIDEEFF for all doctoral students belonging to the research centre and doing their doctorate in the...

Public Wealth Initiative - From GPD to Citizen Welfare

Public wealth is a cornerstone of a nation’s fiscal sustainability and social prosperity. The establishment of a Public Wealth Observatory, ...
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