Ejercicio Test 1 - k · Microeconomía I UPF 2019

Two goods are considered: canned water in containers of 1/3 litre (good 1) and bottled water in containers of 1/2 litre (good 2).

k. (Extra question) Three brothers (Peter, Patrick, Paul) have individual preferences over games $G = \{X, Y, Z\}$:

- Peter: $X \succ Y, Y \succ Z, X \succ Z$

- Patrick: $X \succ Z, Z \succ Y, X \succ Y$

- Paul: $Z \succ X, X \succ Y, Z \succ Y$

Group preferences are formed via unanimity: $A \succ_{\text{group}} B$ if and only if all three brothers prefer $A$ to $B$. Which statement is correct?