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4 votes
1 answer
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"Tightness" of political elections and public attention

Are there any empirical studies on political elections that focus on the "tightness" of the race and how much attention the election receives from the public (or perhaps voter turnout). By "tightness …
Herr K.'s user avatar
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4 votes
1 answer
232 views

Economic examples of (sub)martingales

A (discrete time) martingale is a stochastic process $\{X_t\}_{t\in\mathbb N}$ that satisfies, for all $t\in\mathbb N$, $$ E(|X_t|)<\infty $$ and $$ E(X_{t+1}|X_1,\dots,X_t)=X_t. $$ And a submarting …
Herr K.'s user avatar
  • 16.1k