"If you have a small number, presumably there's a bottleneck," says Robin Dunbar, professor of evolutionary psychology at Oxford.
Kaberuka also puts a premium on the importance of infrastructure, pointing out that no country has been able to maintain growth of 7% and above without solving the infrastructure bottleneck.
While their husbands were out labouring all day in the fields or the fishing boats, the women of Juchitán took charge of trade, bartering and haggling with every foreigner who passed through this fortuitous bottleneck between the two continents of America.
The Merchants of Doubt shows that while deep-rooted political ideologies usually underpin this bottleneck, disinformation tightens it, fueling scientifically unfounded debate, doubt, and denial that conveniently excuse political intransigence.
As peer-reviewed analyses make clear, lack of political will - to establish a price on carbon and to end fossil fuel subsidies, for example - is now the bottleneck to tackling climate change.
The main bottleneck, says nearly everyone interviewed for this report, is what Georgia's governor, echoing Britain's Tony Blair, calls "education, education, education".
Initiatives are also under way to organise data-sharing platforms so that trucking firms can match up with customers to reduce the number of empty return journeys.E-commerce firms in particular are worried that a bottleneck in logistics could choke off their spectacular recent growth.
Luanda, for instance, is now as much of a bottleneck as a gateway to Angola, as the world scrambles to pick up contracts from its burgeoning oil sector.
Since then cash-strapped TCI, the biggest American cable-TV operator, has agreed to sell itself to AT&T, a long-distance telephone company, for $32 billion.In this section All at Siemens Ivan of all trades Overdosed Eastern promise Bertelsmann's Bismarck Hot market Broadband bottleneck Puffs of white Gauloise smoke ReprintsNot everybody, however, is greeting cable broadband with enthusiasm.
SIR —Your article on global public health is absolutely right in identifying health system weaknesses as the main bottleneck to more efficient aid programmes.
This bottleneck will be eased later this month, when a 4.5km (2.8-mile) dual-carriageway bypass with wider bridges will open.
