"Effective economic research connects data to society by uncovering the hidden structures that shape people’s lives."

Donatien Malala is a renowned economist whose work focuses on understanding and quantifying the parts of the economy that traditional models overlook. His research brings clarity to complex economic systems, turning invisible activity into measurable insight.

His contributions include the development of the DMIE Model (Diophantine Model of Informal Economy), a groundbreaking approach introduced in his research that offers a new way to estimate the informal economy through mathematical structures.

He is known for being precise, innovative, and deeply thoughtful; qualities that are the strength of his work. In coding the calculator for him, every variable was examined; the DMIE-Model Calculator is built with precision.

The project combines mathematical rigor with real-world relevance, producing models that are not only analytically strong but practically valuable for policymakers, development institutions, and fellow researchers.

Donatien Malala’s research legacy continues to expand through collaborations with global scholars, policy advisors, and institutions exploring the dynamics of emerging and informal markets.

The DMIE Model is an innovative scientific model...

... developed by the economics researcher: Donatien Malala. Did you know that you can estimate a country's informal economy with a simple math equation?

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Informal sector levels differ significantly between national economic structures, indicating how regulatory conditions and economic organization affect participation outside formal systems.

28% Bulgaria
46% Peru
17% Sweden

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Country:

Year:

WF (Workforce):

FW (Formal Workers):

IW (Informal Workers):

Yof (Official GDP):

FP (Formal Productivity):

IP (Informal Productivity):

OL (Obligatory Levies / Tax Burden):

DRC:

2025

Yin: 100

Yt: 100

Yin%:
1