The experimental and field studies surveyed by Latane and Nida (1981) establish an inverse relationship between the probability that a person is helped and the size of the group of potential helpers. Harrington (2001) attempts to account for this phenomenon using a 'rational choice' model in...

Carroll, Fuhrer and Wilcox (1994) studied the capacity of consumer sentiment to help explain the behaviour of consumption in the US. Their study was important for at least two reasons. Firstly, since household consumption accounts for about 80% of US GDP fluctuations in consumption may result in...