Partnership for Economic Policy Modeling and Policy Impact Analysis (MPIA)

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PEP MPIA is a research program that combines computable general equilibrium (CGE) models and sophisticated household survey-based microsimulation techniques, to link the impact of macro shocks and policies to poverty and other dimensions of household welfare.

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This tool is included in the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership.


The MPIA program uses a few computable general equilibrium models developed by PEP to represent the national economy. It then compares a baseline scenario with one in which a policy intervention or shock has occurred. Data from household surveys is used to build a model that simulates macro effects on various dimensions of welfare at the household level. MPIA compares the micro impacts of various scenarios.

When to Use This Tool

This tool is most useful for development impacts assessments focused on:

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Learn more about the topics for assessing the impacts of low-emission development strategies (LEDS).

Key Outputs

Impacts on poverty and welfare of individual households due to the policies.

How to Use This Tool

Training Available
None provided; Requires GAMS; Computable General Equilibrium (CGE)/economic modeling knowledge recommended

Level of Expertise

Key Inputs

Economic data at the macro and household level

Case Studies

Examples of how Modeling and Policy Impact Analysis (MPIA) Model has helped people assessing the impacts of low-emission development strategies in countries and regions:

A list of MPIA projects are available here: