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IQ and Global Inequality


By Richard Lynn

Economists usually regard it as axiomatic that all peoples of the world have the same intelligence. This assumption is seriously wrong. Richard Lynn and Tatu Vanhanen demonstrate that differences in intelligence are real, significant, and heritable, and that national IQs explain much about the variation between nations in a wide range of economic and social phenomena—not just income levels. Their book extends the explanatory power of the concept of intelligence in a way that makes a major contribution to the integration of psychology with the other social sciences. 

The cause of national differences in wealth is one of the major problems in economics. Hundreds of books have been written on the subject and several journals are devoted to it. Lynn and Vanhannen have thus made what is arguably the most important contribution to economic understanding since Adam Smith's Wealth of Nations.  

—Adapted from a review by J.P. Rushton

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RICHARD LYNNis Emeritus Professor of Psychology of the University of Ulster, Coleraine, Northern Ireland. He graduated in Psychology at the University of Cambridge and has held positions at the University of Exeter and the Economic and Social Research Institute, Dublin. Among his earlier books are Dysgenics: Genetic Deterioration in Modern Populations (1996) and Eugenics: A Reassessment (2001), IQ and the Wealth of Nations (Co-author, 2002), and Race Differences in Intelligence (2006).

TATU VANHANNEN is Emeritus Professor of Political Science of the University of Tempere, Finland, and Emeritus Docent of Political Science of the University of Helsinki. He became Doctor of Social Sciences at the University of Tampere in 1968 and has held positions at the University of Jyväskylä , at the University of Tampere and the University of Helsinki. Among his earlier books are The Process of Democratization: A Comparative Study of 147 States, 1980-88 (1990), On the Evolutionary Roots of Politics (1992), Prospects of Democracy: A study of 172 Countries (1997), Ethnic Conflicts Explained by Ethnic Nepotism (1999) and IQ and the Wealth of Nations (Co-author, 2002).

Washington Summit Publishers