Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Studies suggest that cumulative culture is unique to people, and that collaborative learning may be the key to human advancement. But precisely where to draw the lines for culture remains unclear In ...

For most situations, when you repeatedly perform an activity, the effects magnify over time. If you measure the total effect of the series of actions, it will be more than the marginal effect (whether ...