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This article presents a model of development, civil war and climate change. There are multiple interactions. Economic growth reduces the probability of civil war and the vulnerability to climate change. Climate change increases the probability of civil war. The impacts of climate change, civil war and civil war in the neighbouring countries reduce economic growth. The model has two potential poverty traps – one is climate-change-induced and one is civil-war-induced – and the two poverty traps may reinforce one another. The model is calibrated to sub-Saharan Africa and a double Monte Carlo analysis is conducted in order to account for both parameter uncertainty and stochasticity. Although the IPCC Special Report on Emission Scenarios (SRES) is used as the baseline, thus assuming rapid economic growth in Africa and convergence of African living standards to the rest of the world, the impacts of civil war and climate change (ignored in SRES) are sufficiently strong to keep a number of countries in Africa in deep poverty with a high probability.

Recent literature in public administration emphasizes enhanced collaboration between elected and administrative officials. The complementarity view is presented as an alternative to the traditional politics–administration dichotomy. At the center of this new perspective lies the concept of shared roles between elected officials and public administrators with respect to policy making and administration. This article expands the emerging literature on role sharing by proposing and testing new variables to understand what enhances the policy‐making role of city managers and the administrative role of elected officials. Employing data collected from a nationwide survey of city managers and utilizing structural equation modeling methodology, this research finds that the council's expectations and the city manager's role conception significantly influence the city manager's involvement in policy making, while the context of policy making, the city manager's support, and the council's access to resources affect elected officials' involvement in administration. This article aims to make a cumulative contribution to the literature on role sharing.