A new
study by a group of economists that follows the lives of 0.5 million American inventors in detail, including their parental conditions, their childhood neighborhoods, and the universities they attended, has shown that there are vast differences in the backgrounds of inventors indicated by factors such as income, race, and gender.a) study by a group of economists that follows the lives of 0.5 million American inventors in detail, including their parental conditions, their childhood neighborhoods, and the universities they attended, has shown that there are vast differences in the backgrounds of inventors indicated by factors such as income, race, and gender.
b) study by a group of economists who follows the lives of 0.5 million American inventors in detail, including their parental conditions, their childhood neighborhoods, and the universities they attended, has shown that there are vast differences in the backgrounds of inventors indicating factors such as income, race, and gender.
c) study by a group of economists, including their parental conditions, their childhood neighborhoods, and the universities they attended, follows the lives of 0.5 million American inventors in detail, showing that there are vast differences in the backgrounds of inventors indicated by factors such as income, race, and gender
d) study by a group of economists who follows the lives of 0.5 million American inventors in detail, including their parental conditions, their childhood neighborhoods, and the universities they attended, had shown that there are vast differences in the backgrounds of inventors indicated by factors such as income, race, and gender.
e)study, indicated by factors such as income, race, and gender, by a group of economists following the lives of 0.5 million American inventors in detail, including their parental conditions, their childhood neighborhoods, and the universities they attended, has shown that there are vast differences in the backgrounds of inventors.