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Arriola: Where there is no alternative

Disclaimer. Don't rely on these old notes in lieu of reading the literature, but they can jog your memory. As a grad student long ago, my peers and I collaborated to write and exchange summaries of political science research. I posted them to a wiki-style website. "Wikisum" is now dead but archived here. I cannot vouch for these notes' accuracy, nor can I even say who wrote them. If you have more recent summaries to add to this collection, send them my way I guess. Sorry for the ads; they cover the costs of keeping this online.

Arriola. 2005. Where there is no alternative: Explaining weak opposition weakness in sub-saharan Africa. APSA convention.

Puzzle

Though scholars typically cite the failure of African oppositions to coordinate as the cause of long-lasting incumbencies, Arriola notes that there is actually considerable variation among African states concerning the opposition parties' ability to coordinate, and in many (44%) elections the opposition does coordinate to a degree. What determines the opposition's ability to coordinate?

Solution

Variables

Y: The probability of opposition coordination (dichotomous)

X1: Government's control of the economy. Measured as "government consumption as a percentage of GDP."

X2: Uncertainty within the opposition of each party's relative strength. Measured as "the difference in size between a country's two largest ethnic groups."

Findings

  1. The probability of coordination decreases as government's control of the economy increases. (Makes it easy to neutralize rivals.)
  2. The probability of coordination is lowest when the differences in size between the two largest ethnic groups is between 10 and 20 percent. A parabolic relationship. It's easy to bargain when the difference is either large or small. But when it's moderate, neither side knows exactly how much to offer or demand.

Research on similar subjects

Tags

Arriola, Leonardo (author)Political ScienceComparative PoliticsClientelismSingle Party Dominance

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