| Sumario: | This paper presents the methodological framework and data sources for a national-level Social Accounting Matrix (SAM) for Pakistan, with an associated hydrological data set. The aim of the paper is to provide a systematic guide to the data requirements necessary to construct a national SAM for Pakistan, and to present the main results from this exercise. We base the development of this SAM on existing SAM frameworks to update the Pakistan national SAM from 2013–14, tying often to the structure of Nexus SAMs developed by IFPRI under its NEXUS Program (see https://www.ifpri.org/project/nexus-project/). However, the estimation of accounts differs in many cases, and the balancing techniques vary as well. The hydrology data is updated using data compiled from sources which include the recent tube-well census in Punjab, surface water flow data, meteorological data, water storage levels and capacity, water efficiency and climate data. The hydrology data is mainly used to update IFPRI’s Computable General Equilibrium- Water (CGE-W) model.
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