Farewell Facebook?
So farewell, then, Facebook! That is the conclusion of a highly technical paper by two Princeton researchers, John Cannarella and Joshua Spechler, which received a lot of publicity in the press last week. The authors conclude that “Facebook will undergo a rapid decline in the coming years, losing 80 per cent of its peak user […]
The Olympics, traffic in Central London and a bar in Santa Fe
We all know now about the empty roads and deserted shops, all quite contrary to the official announcements before the Games began. No doubt Transport for London used their massively complicated, expensive models of the transport network to deduce that the system would be under massive strain. But a deceptively simple game devised in the […]
Royal Bank of Scotland fiasco shows the power of networks
The last week or so has seen complete mayhem in the Royal Bank of Scotland and its subsidiaries. A computer glitch has caused their payments systems to collapse. Monies have not been processed, 17 million customers have been unable to access their accounts and pay their bills. The impact for RBS has been catastrophic. So, […]
Why is economic growth stalling? May be it is Ricardian equivalence!
The British and American recoveries do seem to be stalling. The recovery profile is by no means as strong as is usually the case after recessions, even after pretty major financial crises like that of 2008/09. One of the insights of complex systems is that the impact of any particular factor may differ dramatically according […]
Hard problems in economics
This is a summary of a presentation I gave in Zurich earlier in June to FuturICT,one ofthe candidate flagship European Union research projects, each worth 1 billion Euros. 1.Financial markets is a very hard problem, issues of agent heterogeneity, networks, learning, financial innovation, regulation – all these and more are important. Mainstream economics has largely […]