(β =0.014, t = 1.783, Pns) this is affirms previous studies that developing countries are relatively better off in the choice of flexible exchange rate regimes. The result also indicated that interest rate and rate of inflation have negative impact on economic growth but not significant with Pns) and Pns) respectively. Therefore, the paper recommended that government should encourage the export promotion strategies in order to maintain a surplus balance of trade and also conducive environment, adequate security, effective fiscal and monetary, as well as infrastructural facilities should be provided so that foreign investors will be attracted to invest in Nigeria

This study was prepared in close consultation with China's National Development and Reform Commission (NDRC). We are deeply grateful to Yang Weimin and Xu Lin for their guidance. Throughout the preparation of this study, we cooperated with the U.K. Department for International Development (DFID), which generously supported the research and other activities financially and intellectually. We are especially indebted to Chris Athayde and Jillian Popkins. We thank David Dollar, Homi Kharas, Yukon Huang, Bert Hofman, Deepak Bhattasali, and Sudarshan Gooptu for their support, encouragement, and comments throughout the preparation of this report. The background notes commissioned for this report provided us with invaluable insights into China's development, future challenges, and policy options.

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The increasing share of services in GDP, the servitization of manufacturing, and the productivity gains conferred by agglomeration economies, is to the advantage of large well-connected cities. Research to date suggests that to sustain rapid growth, urban hubs need a mix of activities that may include some manufacturing complemented by a clustered array of tradable and non-tradable services. Rather than attempting to create hubs focused on manufacturing activities, with some anchored to special economic zones in small cities or remote areas, developmental policies could derive more economic mileage from incentivizing the interlaced emergence of manufacturing and services in major urban centres. Digital technologies are not only tightening the linkages between manufacturing and services, they also have the potential of enhancing the gains from agglomeration thereby reinforcing the lead enjoyed by mega cities.

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