If our model of rent control allowed for unrestricted subletting, would the outcome be Pareto efficient? A: Pareto efficient B: Pareto inefficient

Which of these is NOT one of the reasons why the U.S. got involved in World War I A: The Zimmerman Telegram B: Unrestricted Submarine Warfare C: The Russian Revolution D: Assassination of Archduke Franz Ferdinand

Chomsky divides grammar into four types, namely type 0, type 1, type 2, and type 3. The type 3 grammar is( )。 A: Unrestricted<br/>grammar B: Regular<br/>grammar C: Context-sensitive grammar D: Context-free grammar