An investment is a commitment of funds made in the expectation of some positive rate of return. A fundamental principle of investments is diversification, where investors diversify their investments into different types of financial assets. The different stocks can be clubbed in one portfolio....

This paper analyses the relationship between dispositional optimism and stock investments. Data are drawn from the second wave of the Survey of Health, Ageing and Retirement in Europe. Dispositional optimism is found to be a relevant predictor of the ownership of stocks as well as of the share...

This chapter gives an overview of current research in evolutionary finance. We mainly focus on the survival and stability properties of investment strategies associated with the Kelly rule. Our approach to the study of the wealth dynamics of investment strategies is inspired by Darwinian ideas...