Building Resilience to Extreme Weather Shocks in Africa: The Role of Climate-Proofing Infrastructure
Abstract
Natural disasters such as storms, floods and drought are common and increasingshocks in Africa. In addition to deaths toll they inflict, natural disasters destroy public and
private infrastructure needed for the economy to function, disrupting economic and social
activities with long-lasting effects. They also put considerable strains on government finances,
frequently demanding a swift reconstruction of damaged infrastructure. However, there may be
a limited room for fiscal adjustment such as raising additional revenues or cutting expenditures
on the one hand and accessing external financing on the other. We study the macroeconomic
impacts and fiscal costs of extreme weather events in Africa and examine ex ante how African
countries can building resilience strategies, such as climate-proofing infrastructure and
accumulation of contingency fiscal buffers. Ex post, we study the debt sustainability concerns
of financing the reconstruction of public infrastructure over the medium term. The results reveal
the following. First, investing in resilient infrastructure is useful in attenuating the impact of
the natural disaster. Second, building contingency fiscal buffers can smooth out the fiscal
adjustment needed to finance post-disaster reconstruction. Finally, governments cannot face
damages alone: grant-financing is key for debt sustainability and reducing the social cost of
abrupt adjustment. Thought there are principal-agent issues linked with such a strategy, the
donor community would need to significantly scale up its financial contributions following the
disaster shock