But they also acknowledged that their resistance to self-promotion, and being less skilled in negotiation strategies like framing their strengths and accomplishments as benefits to their employer were at least equal factors influencing the results of their pay increase requests.

FORBES: The Personal and Global Stimulus Effect of Ending the Wage Gap

Mr McFadden developed ways of modelling several types of choices, such as how many children to have. (He made time for three.) Multiple choices such as this one involve complex statistical analyses, since the factors influencing a couple to have their first child may not be the same as the ones that lead the parents of three children to have a fourth.

ECONOMIST: Economics focus