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High-magnitude electoral districts are widely believed to lead to greater representation for smaller parties. This article refines the conventional wisdom by taking electoral geography into account. When small political parties have geographically concentrated support bases, then no systematic relationship exists between district magnitude and legislative representation. High-magnitude districts do not advantage small parties whose supporters are geographically concentrated. Evidence in support of this claim comes from India and Israel. The article shows what counterfactual Indian and Israeli legislatures would look like if seats were allocated using electoral districts of varying magnitudes and highlights how parties with geographically concentrated support bases win similar seat totals, irrespective of district magnitude.
