We examine the relation between testosterone, cortisol, and financial decisions in a sample of naïve investors. We find that testosterone level is positively related to excess risk-taking, whereas cortisol level is negatively related to excess risk-taking (correlation coefficient [r]: 0.75 and...

Cover -- Half Title -- Title Page -- Copyright Page -- Dedication -- Table of Contents -- List of illustrations -- 1. Biology and Psychology in Finance -- Nature versus Nurture -- What Can We Learn from the Financial Decisions of Twins? -- Investment of Adoptees and the Human Genome -- Do Men...

"Why do people's financial and economic preferences vary so widely? 'Nurture' variables such as socioeconomic factors partially explain these differences, but scientists have been discovering that 'nature' also plays an important role. This is the first book to bring together these scientific...