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(1) Background: In the face of persistent and chronically weak labour markets, Atlantic Canada has become increasingly dependent on mobile oil work in Northern Alberta for employment and income. In the regions, most intensely engaged in this form of employment, mobile oil work has largely replaced the dominant industries of the previous century. This geographic shift in Canadian investment and production has created uneven labour markets, with high demand for labour in the Northern Alberta and high unemployment in de-industrialized communities in Atlantic Canada. (2) Methods: There is little quantitative evidence on the flows of mobile workers from the East to the West and the impact of this movement on the Atlantic Canadian economy. Data for this paper were obtained through a special arrangement with Statistics Canada in the fall of 2015 and winter of 2016, from the Canadian Employer–Employee Dynamics Database (CEEDD). (3) Results: Analysis of CEEDD revealed that the oil and gas industry of Northern Alberta has a significant impact on the economies of Atlantic Canada with an increasing dependence for interprovincial workers. (4) Conclusions: To the extent that mobile work has served as a replacement for traditional industries, mobile work is re-structuring the social and economic makeup of Atlantic Canadian communities. The more reliant Atlantic Canadian communities become on oil-related mobile work, the more precarious their economies will become as global markets for oil and gas change and targeted actions on climate change increase.

A growing number of states have modified constitutionally determined presidential term limits or adopted a flexible interpretation of relevant constitutional provisions to allow incumbent leaders additional terms in the highest office. This article investigates African Union (AU) responses to attempts to overturn or weaken term limits on executive power, one of the most tenacious constitutional trends in Africa. Inspired by the AU's well-established discourse on “unconstitutional changes of government” under the African Charter on Democracy, Elections and Governance, the article frames the manipulation of presidential term limits as “undemocratic changes of the constitution”. From this perspective it argues for a more active role for the AU in monitoring and enforcing constitutionalism and respect for democratic standards by member states when they amend their constitution. It concludes with a tentative set of principles to guide processes of constitutional change in Africa.