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Submitted on: 12 September 2012.
Revised on: 26 December 2012.
Accepted on: 24 February 2013.
___________________JOURNAL OF LAW & ECONOMICS---UNIV CHICAGO PRESS
Submitted on: 09 February 2006.
Revised on: 13 May 2006.
Accepted on: 26 June 2006.
___________________JOURNAL OF LAW & ECONOMICS---UNIV CHICAGO PRESS
Submitted on: 01 May 2019.
Revised on: 24 May 2019.
Accepted on: 21 June 2019.
___________________JOURNAL OF LAW & ECONOMICS---UNIV CHICAGO PRESS