The Spatial (Geometric) Model of Voting and Party Competition: Theory


Figure 1.1 (Stewart): Competition for Customers Between Two Shop Owners
Figure 1.2 (Stewart): Competition for Two Candidates for Votes
Figure 1.3 (Stewart): Voting in a Committee over Two Minimum Wage Proposals, X and Y
Figure 1.4 (Stewart): Quadratic Utility Function
Figure 2.2 (Poole and Rosenthal): Normal Distribution Utility Function
Figure 2.1 (Poole): Two Fundamental Types of Utility Functions
Utility Functions of Extremists
Figure 1.10 (Stewart): Two Dimensional Quadratic Utility Function
Figure 1.10 (Ordeshook): Two Dimensional Quadratic Utility Function
Indifference Curves Over Two Issue Dimensions
Figure 1.11 (Stewart): Examples of Indifference Curves
Bivariate Normal Utility Function (Animated GIF)
Figure 1.18 (Stewart): Example of Different Salience Weights
Indifference Curves Over Two Issue Dimensions (Correlated Dimensions)
Bivariate Normal Utility Function (Correlated Dimensions) (Animated GIF)
Figure 2.3 (Poole & Rosenthal): Roll Call Voting on One Basic Dimension -- How Issue Mappings Occur
Figure 2.4 (Poole & Rosenthal): Roll Call Voting on Two Basic Dimensions -- How Issue Mappings Occur
A Simple Model of Roll Call Voting