With the superconducting cuprates in mind, a set of unitary transformations was used to decouple electrons and phonons in the strong-coupling limit. While phonons remain almost unrenormalised, electrons are transformed into itinerent singlet and triplet bipolarons and thermally excited polarons....

We present a simple mathematical model for the Twitter dynamics, and use the model to extract the information-sharing tendencies on two time scales, day and hour, about three contenders in the 2012 presidential election in South Korea. Comparison of the model results with actual data...

Debt which emerged as a result of excessive lending by the advanced nationsto disorganised and badly managed economies is oppressing the world’s poorest andmost vulnerable whilst enriching wealthy creditors.This study investigates the relationship between debt and the economic growthof 56...

Objectives: To analyse the strategy used by British American Tobacco (BAT) to re-enter the Chinese market from 1979 to 2000 after historically dominating the market before the 1950s. Design: Analysis of tobacco industry document files to date available only on-site at the Guildford Depository...

The micro-economic behaviour of economic agents in the crisis-affected Asian economies, together with the private sector's expanding role in developing countries in general have focused attention on issues of competition, corporate governance and finance. The paper explores the analytical links...

A small quarterly macroeconometric model of the UK is estimated over the period 1965Q1 to 1995Q4 in eight core variables: domestic and foreign outputs, domestic and foreign prices (both measured relative to oil prices), the nominal effective exchange rate, nominal domestic and foreign interest...