Columbia's School of International and Public Affairs comprises more than 70 full-time faculty and more than 200 adjunct faculty, scholars, and practitioners. All have distinguished themselves in research and leadership in the policy world, and have produced scholarship in a wide variety of subjects, including international relations, democratization, elections, demography, and social policy.

May 1988|Columbia Journal of Transnational Law|Merit Janow

Mergers and Acquisitions in Japan: A New Option for Foreign Companies?

October 1986|Public Opinion Quarterly |Harpreet Mahajan, Robert Y. Shapiro

Using 267 repeated policy questions (962 time points), we examine gender differences in policy choices and how they have changed from the 1960s to the 1980s. The average gender difference in preferences toward policies involving the use of force have consistently been moderately large. Sex differences in opinion toward other policies—regulation and public protection, “compassion” issues, traditional values—have been approximately half as large but they also warrant more attention than in the past. Our analysis suggests that the salience of issues has increased greatly for women, and as a result differences in preferences have increased in ways consistent with the interests of women and the intentions of the women's movement.

October 1985|Journal of Econometrics|Richard Robb, James Heckman

This paper presents methods for estimating the impact of training on earnings when non-random selection characterizes the enrollment of persons into training. We explore the benefits of cross-section, repeated cross-section and longitudinal data for addressing this problem by considering the assumptions required to use a variety of new and conventional estimators given access to various commonly encountered types of data. We investigate the plausibility of assumptions needed to justify econometric procedures when viewed in the light of prototypical decision rules determining enrollment into training. We examine the robustness of the estimators to choice-based sampling and contamination bias.

July 1984|with O. Eckstein and M. Cebry, Review of Economics and Statistics|Patricia Mosser, O. Eckstein , M. Cebry

The DRI Market Expectations Model

December 1983|Urban Affairs Quarterly |Ester R. Fuchs, Robert Y. Shapiro

Government Performance as a Base for Machine Support

November 1981|Northern Illinois University Press|John Coatsworth
October 1981|Young Asia Publications|Harpreet Mahajan
October 1978|John Hopkins University Press|Alfred Stepan, Juan J. Linz
The fate of democratic governments throughout the world is a topic of growing concern. The crises of modern history, from the Machtergreifung by Hitler through the downfall of democracies. In a systematic review of the political experiences of Latin American and European democratic nations, these original, thought-provoking books propose a significant new comparative framework for understanding the dynamics of political change and the conditions necessary for democratic stability.
October 1978|Princeton University Press|Alfred Stepan
November 1976|Princeton University Press|Robert Jervis

This study of perception and misperception in foreign policy was a landmark in the application of cognitive psychology to political decision making. The New York Times called it, in an article published nearly ten years after the book's appearance, "the seminal statement of principles underlying political psychology."

The perspective established by Jervis remains an important counterpoint to structural explanations of international politics, and from it has developed a large literature on the psychology of leaders and the problems of decision making under conditions of incomplete information, stress, and cognitive bias.

Jervis begins by describing the process of perception (for example, how decision makers learn from history) and then explores common forms of misperception (such as overestimating one's influence). Finally, he tests his ideas through a number of important events in international relations from nineteenth- and twentieth-century European history.

In a contemporary application of Jervis's ideas, some argue that Saddam Hussein invaded Kuwait in 1990 in part because he misread the signals of American leaders with regard to the independence of Kuwait. Also, leaders of the United States and Iraq in the run-up to the most recent Gulf War might have been operating under cognitive biases that made them value certain kinds of information more than others, whether or not the information was true. Jervis proved that, once a leader believed something, that perception would influence the way the leader perceived all other relevant information.

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