It is our home market in which goods, services, capital and people can move about freely.

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When it last took in poor countries (Spain and Portugal in 1986), the European Community, as it was then called, was not a single market for goods, services, labour and capital.

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This would better reflect economic theory, which tells us that absent any failures a market will efficiently allocate goods, services, and capital on a local and global level.

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Whitehall sources argue that Mr Cameron has already secured a written vow by the 27 leaders that euro-zone deals may not undermine an achievement dear to Tory hearts the EU's internal market, with its free movement for capital, goods, people and services (at least in theory).

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The impact investing industry channels capital to market-based solutions in areas such as affordable housing, clean technology, financial services for the poor, sustainable agriculture and other related sectors while targeting returns ranging from below market to market rate.

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Why can rich countries' banks move capital freely throughout the single market, when poor countries' plumbers and dentists may not sell their services where they like?

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The IT revolution has allowed more goods and services to be traded across borders, and it has fuelled the integration of the global capital market.

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The single market will also -- will allow free movement of people, goods, services, and capital throughout the five member countries that compromise -- Kenya, Tanzania, Uganda, Rwanda, Burundi.

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Today however, the rapid consumer adoption of mobile apps is what drives demand for cloud services, cloud platforms and cloud infrastructure, as the low capital investment and instant scalability enable speed to market and individual user adoption.

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