Tax Collection Capacity in Central America
A recent study by the Executive Secretariat of the Central American Monetary Council (SECMCA) highlights significant fiscal disparities among Central American nations. It specifically delves into the tax collection adaptability in Guatemala, Honduras, and the Dominican Republic, measuring their responsiveness to economic growth as illustrated through Gross Domestic Product (GDP) changes.
Insights from SECMCA’s Technical Report
The SECMCA’s technical report employs elasticity models to forecast tax collections, revealing varying levels of tax responsiveness within these nations. The report specifies the mean absolute percentage error (MAP) in tax revenues over the first three quarters of 2025, noting a MAP of 1.3% for Guatemala, 0.6% for Honduras, and 1.8% for the Dominican Republic. The accuracy of projections related to goods and services showed a commendable MAPE of less than 5% across most cases.
Understanding Buoyancy and Elasticity
Two crucial concepts, buoyancy and tax elasticity, underpin this analysis. Buoyancy gauges the overall change in tax collection relative to nominal GDP growth, encompassing reforms and administrative adjustments. In contrast, elasticity focuses solely on tax revenue’s automatic reaction to real GDP increases, excluding reform impacts.
For instance, in Guatemala, the elasticity of income taxes is pegged at 1.170; in contrast, Honduras scores 0.878, while the Dominican Republic leads with 1.318. Similarly, for taxes on goods and services, Guatemala shows 1.095, Honduras at 0.910, and the Dominican Republic at 0.973.
Implications of Elasticity Values
Elasticity values exceeding 1 signify a dynamic and responsive tax structure, enhancing revenue at a rate higher than economic growth. Conversely, numbers below 1 may indicate underlying issues or limitations in the tax framework.
The SECMCA has introduced methodological innovations that automatically detect structural breaks, allowing for a nuanced understanding of reform impacts without mere reliance on historical data. This is a crucial step towards greater transparency and traceability in fiscal policy.
The Need for Caution in Interpreting Results
It’s essential to understand that the report also warns of decreasing accuracy in more volatile areas such as property taxes and non-recurring revenues. The scarcity of comprehensive statistical data in certain nations may hinder the establishment of long-term trends, urging cautious interpretation of the findings.
Conclusion: A Regional Perspective
In conclusion, the SECMCA’s proposed methodological framework is a valuable resource for fiscal planning in Central America. The report underscores the importance of improving data quality and fostering statistical harmonization among Central American nations, including the Dominican Republic. This focus on enhancing tax collection capacity is vital for strengthening regional economic stability and growth.

