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Over the past 60 years, urbanisation and cities have fundamentally transformed the social, economic and political geography of West Africa. The number of people living in cities increased from 5 million in 1950 to 133 million in 2010. During the same period, the number of towns and cities with...
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Before the coronavirus epidemic and the related lockdowns, the EU countries represented various image of social, fiscal and external economic characteristics which is the base of the cluster analysis. The puzzle is whether the pre-crisis preparedness results in different or similar damages...
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This paper considers the problem of testing a finite number of moment inequalities. We propose a two-step approach. In the first step, a confidence region for the moments is constructed. In the second step, this set is used to provide information about which moments are "negative." A...
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