Why Tax Expenditure Reporting Is a Missing Link in Financing for Development
Alexandra Readhead,
Agustin Redonda,
Christian von Haldenwang,
Giovanni Occhiali,
Giulia Mascagni and
Harshil Parekh | 21 April 2026
Fiscal,
Blog | Tags:
Domestic Revenue Mobilization,
GTED,
Tax Expenditures With aid budgets shrinking and debt vulnerabilities mounting, the $4 trillion governments forgo annually through exemptions, credits, and preferential rates demands greater transparency and accountability.
... continue reading
Scale and Oversight of Tax Expenditures in Ireland
Flurim Aliu and
Christian von Haldenwang | 10 February 2026
Fiscal,
Testimonies | Tags:
Ireland,
Parliaments,
Tax Expenditures Tax expenditures are introduced to promote investment, employment, welfare policy objectives, or environmental goals, among others. Yet systematic evaluations remain rare ...
... continue reading
Tax Expenditure Effectiveness: Tax Expenditures Lab Flagship Report 2025
Christian von Haldenwang,
Agustin Redonda,
Flurim Aliu and
Sofia Berg | 4 December 2025
Fiscal,
Discussion Notes | Tags:
GTED,
GTETI,
Tax Expenditures The present report discusses the determinants and explores the empirical evidence of TE effectiveness. More and more jurisdictions publish TE reports, as shown by the Global Tax Expenditures Database (GTED). In its most recent version (1.3.2), the GTED includes 116 reporting jurisdictions...
... continue reading
Tax Expenditures for Environmental Sustainability
Agustin Redonda,
Christian von Haldenwang and
Sofia Berg | 13 November 2025
Fiscal,
Discussion Notes | Tags:
GTED,
Sustainability,
Tax Expenditures This report analyses tax expenditures aimed at promoting environmentally sustainable practices. Drawing on the Global Tax Expenditures Database (GTED) and a number of specific international experiences, it explores how these instruments are currently being used and evaluated.
... continue reading
Bringing Tax Expenditures Into the Debate on Financing for Development
Christian von Haldenwang | 23 July 2025
Fiscal,
Blog | Tags:
Development,
Domestic Revenue Mobilization,
Tax Expenditures Tax expenditures have traditionally been considered an issue governments are supposed to deal with by themselves. This, however, is changing. The recent Conference on Financing for Development (FfD4) FfD4 explicitly refers to tax expenditures in its Outcome Document.
... continue reading
The Global Tax Expenditures Transparency Index Companion Paper: Revised Version
Agustin Redonda,
Lucas Millan,
Christian von Haldenwang,
Sofia Berg and
Flurim Aliu | 3 December 2024
Fiscal,
Discussion Notes | Tags:
GTETI,
Tax Expenditures,
Transparency The revised Companion Paper includes a description of the methodological adjustments made since the launch of the Global Tax Expenditures Transparency Index (GTETI). Changes do not only affect the internal structure of individual indicators but also the underlying format of the data.
... continue reading
Tax Expenditure Country Reports. Unveiling Tax Expenditures at the Country Level
Agustin Redonda and
Christian von Haldenwang | 9 July 2024
Fiscal,
Blog | Tags:
GTED,
GTETI,
Tax Expenditures As shown by the Global Tax Expenditures Transparency Index (GTETI) the quality and scope of TE reporting is highly heterogeneous across jurisdictions, which makes cross-country comparability even trickier. The new series will promote deeper discussions of TE regimes, ultimately enhancing the quality and quantity of
... continue reading
Evaluation of Tax Expenditures. Conceptual Frameworks and International Experiences
Agustin Redonda,
Christian von Haldenwang and
Sofia Berg | 28 November 2023
Fiscal,
Discussion Notes | Tags:
GTED,
Latin America,
Tax Expenditures This report provides an international overview of the state of tax expenditure evaluations, showing that it remains relatively underdeveloped, not only in Latin America and the Caribbean, but also across the world.
... continue reading
The Global Tax Expenditures Transparency Index Companion Paper
Agustin Redonda,
Lucas Millan,
Christian von Haldenwang and
Flurim Aliu | 3 November 2023
Fiscal,
Discussion Notes | Tags:
GTED,
GTETI,
Tax Expenditures The GTETI Companion Paper describes the 5 dimensions and 25 indicators that make up the recently launched index, together with the scope and methodology used.
... continue reading