ȸ , ̿ ü 츮 ̵顯 ġ ϰ !2009 Ⱓ Ȧ (Bowling Alone) ιƮ D. Ʈ , 1950 ݼ ̱ ȸ Ͼ ȭ å̴. ƮŬϿ ̸, Ʈ پ ̵ ϰ Ǵ ÿ ֽ ȸ, ó ϰ мѴ. ٷ ñ ŭ ִٴ Ƹĭ帲 ȭ óϰ ȸ ȭ 빰 ȭǾ. Դٰ ̷ ȸ ̷ ִ ̵ ߴް ݿ ġ ִ. ̿ ̾߱ 츮鿡Ե ʰ . ٷ ܾ ó, 츮 ȸ ̵̾߱ ϱ ̴. ̱ ɵ Ʈ ǽĿ ϸ, 2015 5 ´ȸ гη ߴ. 2015 뺧 л ްŽ (Angus Deaton) 츮 ̵须 õ, ְ ڳ̽Ʈ 2015 ְ å 츮 ̵须 ϱ ߴ.
1941 ̱ ̿ ¾ ġ. ͽ б 1963 ϰ ǮƮ л ۵ б б 硤ڻ Ҵ. ̽ð б 1979 Ϲ б ߴ. ǿ ̸ ġ ġ ȣۿ ؼ ̷(Two-level game theory) âڷ .
1995 Journal of Democracy Ȧ : ̱ ȸ ں Bowling Alone: Americas Declining Social Capital Ͽ а ̱ ȸ ü ū ҷ״. Ŭ û . α ϴµ ״ ϴ°? ̷ ɻ縦 ̱ȸ ܸ мϿ. 'ȸ ں(social capital)' Ͽ.
Ϲ б ɳ п ϸ å о߸ ϰ ִ. ɳ п , ̱ġȸ ȸ ߴ. ̱м м ȸ̱ ϴ. 2006 ġڿ ־ ְ ˷ (Skytte) ߴ.
Ŭ, ν ̱ , , Ƽ Ϸ Ѹ å ڹ Ȱ ִ. , ùλȸ , , ġ Բ ̱ ȸ ü ȭ ȸ а 븦 ǥ Ȱϴ ͷ ̳(Saguaro Seminar) ϰ ִ. ͷ ̳ 33 ȸ ̱ ٸ ԵǾ ִ.
δ 1988 Diplomacy and Domestic Politics: The Logic of Two-Level Games). 1995 Journal of Democracy Ȧ : ̱ ȸ ں Bowling Alone: Americas Declining Social CapitalThe Beliefs of Politicians(1973), The Comparative Study of Political Elites(1976), Bureaucrats and Politicians in Western Democracies(1981), Making Democracy Work(1993), Democracies in Flux(2002), Better Together(2003) ټ ְ, 17 ƴ.