psychologicaltheories are applied by governments and companies to improve how the economy functions including- a psychologically healthy and well-educated population can be more productive, producing higher quality goods and services,
Another way how psychological research can affect the economy is through a psychological understanding and manipulation of desire eg effective advertising, increasing demand
maternal deprivation - adoption, Harlow (rhesus monkeys), Rutter (romanian orphans), Bowlby, (critical period), demonstrate intellectual, emotional and phyiscal development can be negatively affected by deprivation early in a child's life