Sahel: Economy Under the Sword of Water Crisis
The advancement of the desert and the irregularity of rainfall cycles in the sub-Saharan region have turned into heavy macroeconomic variables, disrupting the balance of national finance laws. Climate degradation now exceeds a simple environmental crisis as it acts as a direct fiscal shock. World Bank forecasts indicate that, without major structural reforms in water management, losses in gross domestic product (GDP) due to water stress will reach 6% to 11% in the Sahel region by 2050. Faced with the contraction of national agricultural revenues, finance ministries are under a double constraint: the drying up of domestic tax revenues from the primary sector and the obligation to allocate emergency budget resources to stabilize social balances.
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The erosion of rural production factors forces states to reorient public investment spending towards consumption subsidies and massive imports of foodstuffs. The African Development Bank estimates the direct economic cost of drought to be over $5 billion per year for all sub-Saharan countries. At the national budget level, the need to compensate for the cereal production deficit leads to a continuous deterioration of the balance of payments. Public subsidies aimed at maintaining the price of bread, rice, and fertilizers weigh between 2% and 3.5% of the GDP of Sahelian administrations, restricting the budgetary space necessary for financing structural infrastructure such as health or education.
The viability of the sub-region's sovereign debt is thus weakened by the cost of climate change adaptation financing. To reverse the decline in land productivity, which already affects more than 65% of the Sahel's arable land according to the FAO, the capital needs to restore the agropastoral ecosystem require increased recourse to international financial markets and concessionary windows. The aggravation of country risk, induced by food insecurity affecting over 30 million people during the lean season, leads rating agencies to maintain cautious perspectives on Sahelian signatures. The integration of water risk into the evaluation of state solvency increases the marginal cost of bond borrowing, installing a vicious circle between climate degradation and the high cost of public refinancing.
ALPHA ECO EDITORIAL
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