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Erik Moberg ã:
A Theory of Democratic Politics
 
 

15.3 - THE POSSIBILITY OF PURELY IDEOLOGICAL SINGLE PARTY EXECUTIVES

As we saw in part 11.2 it is impossible to account for the appearance of a coalition executive within the framework of an one-dimensional spatial model. If there are just two parties in the legislature, as we are now assuming (or if one party has a majority of its own), the executive may very well have an ideological foundation. Consider, for example, the situation in the figure below. There P2 can easily, by itself, form an executive, and that executive is obviously able to pursue a policy equivalent to P2's position on the ideological scale. In a parliamentary-majoritarian context with two main parties it is thus perfectly possible to account for the executive formation in purely ideological terms.