In this study, we examine the relation between different kinds of siblings and earnings and find that both nature and nurture matter: full-siblings are equally negatively related to earnings regardless of whether one grew up with them or not. The number of step-siblings, on the other hand, also...

We study how gender, birth-order and number of siblings are related to stated time and risk preferences and real-life decisions. We use survey data covering about 2,300 individuals and find that time and risk preferences are significantly correlated among women but not among men. We also find...

Survey data is used to investigate how birth order and presence/absence of siblings affect positional concerns in terms of success at work and of earned income. We find that people's positional concerns in terms of work-related issues generally are weak, but there are some differences in this...

We analyze the impacts of birth order and presence/absence of siblings on risk preferences with respect to economic, health/safety, and sport/lifestyle related risks. We study both the answer to a hypothetical lottery question and stated risky behavior and find that middle-borns are consistently...

Number of siblings has previously been found to adversely affect earned income. However, we still lack understanding of whether nature or nurture drives this effect. We examine in detail the effects of having different kinds of siblings and find that the number of siblings one grew up with has a...