29
Correlates of War 2 Project. 2003. “State System Membership List, v2002.1.” Online,
http://cow2.la.psu.edu.
Dubin, Jeffrey A. and Douglas Rivers. 1990. “Selection Bias in Linear Regression,
Logit and Probit Models.” Sociological Methods and Research 18:354-365.
Fearon, James D. 1995. “Rationalist Explanations for War.” International Organization
49: 379-414.
Greene, William H. 1993. Econometric Analysis. Englewood Cliffs: Prentice Hall.
Gumbel, E.J. 1960. “Bivariate Exponential Distributions.” Journal of the American
Statistical Association 55: 698-707.
Heckman, James J. 1976. “The Common Structure of Statistical Models of Truncation,
Sample Selection and Limited Dependent Variables and a Simple Estimator for Such
Models.” Annals of Economic and Social Measurement 5/4:475-492.
Heckman, James J. 1979. “Sample Selection Bias as a Specification Error.”
Econometrica 47: 153-161.
Johnson, Norman L. and Samuel Kotz. 1970. Distributions in Statistics: Continuous
Univariate Distributions - 1. Boston: Houghton Mifflin Company.
Johnson, Norman L. and Samuel Kotz. 1972. Distributions in Statistics: Continuous
Multivariate Distributions. New York: Wiley.
Jones, Bradford S. and Regina Branton. 2003. “Event History Modeling in State Politics
Research.” Paper presented at the 2003 Annual Meetings of the Midwest Political
Science Association.
Kadera, Kelly M., Mark J.C. Crescenzi, and Megan L. Shannon. 2003. “Democratic
Survival, Peace, and War in the International System.” American Journal of Political
Science 47:234-247.
King Gary, James Alt, Nancy Burns and Michael Laver. 1990. “A Unified Model of
Cabinet Duration in Parliamentary Democracies.” American Journal of Political Science
34(3): 846-871.
King, Gary. 1989. Unifying Political Methodology: The Likelihood Theory of Statistical
Inference. Ann Arbor: The University of Michigan Press.