Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Ebony Howard is a certified public accountant and a QuickBooks ProAdvisor tax expert. She ...

Human behaviour refers to the way humans act and interact. It is based on and influenced by several factors, such as genetic make-up, culture and individual values and attitudes. Real-world data ...

Behavioural ecology is the study of behavioural interactions between individuals within populations and communities, usually in an evolutionary context. It looks at how competition and cooperation ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...