Contestability of Australian Federal Elections |
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Authors: | Sinclair Davidson Lisa Farrell Tim R L Fry Sandra Mihajilo |
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Institution: | 1. RMIT University ,;2. University College Dublin ,;3. Starcom MediaVest Group , |
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Abstract: | Using data on federal elections for both the Upper and Lower Houses in Australia and the Herfindahl–Hirschman Index (HHI), we explore whether the contestability/concentration varies across elections. Our results show significant movements in contestability over time. The results also imply a smaller degree of concentration than we would expect to find in a two-party system. To the extent that the Upper House (Senate) – until the 2004 election – is not controlled by the executive, this implies a greater level of political competition, and choice for voters, than that associated with two-party systems. |
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