Given the weighted voting system [38: 20, 15, 12, 5], which of the coalitions listed are blocking coalitions?
$I \left\{ A _ { 2 } \right\}$
II $\{ \mathrm { C } , \mathrm { D } \}$
$\operatorname { III } \{ A , B , C \}$
A) III only
B) I and II only
C) I, II, and III
D) none

Question

Given the weighted voting system [38: 20, 15, 12, 5], which of the coalitions listed are blocking coalitions? 
$I \left\{ A _ { 2 } \right\}$
II $\{ \mathrm { C } , \mathrm { D } \}$
$\operatorname { III } \{ A , B , C \}$
A) III only
B) I and II only
C) I, II, and III
D) none

Quizplus · Accepted Answer

A blocking coalition is one where the total weight is at least the quota minus one. Here, the quota is 38, so a blocking coalition needs at least 37. I has 15, II has 17, and III has 47, so all are blocking coalitions.

Given the Weighted Voting System [38: 20, 15, 12, 5] I{A2}I \left\{ A _ { 2 } \right\}I{A2​}

Given the Weighted Voting System [38: 20, 15, 12, 5] $I \left\{ A _ { 2 } \right\}$