He notes statistical quirks; e.g., comparisons of per capita income need to be checked against the median age of the groups concerned.

The median age of Russians in the U.S. at the time of the book's publishing (1975) was 47, of the Irish 36, of blacks 23, of Puerto Ricans, 18.

His third argument criticizes past governmental and economic policies, and opens up questions for the future.

He has criticisms to make of liberals, radicals, and conservatives, each of whom, he finds, protect their favorite illusions with respect to blacks.

Race and Economics greatly influenced Supreme Court Justice Clarence Thomas.