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Full-Text Articles in Law

Regulating Opt Out: An Economic Theory Of Altering Rules, Ian Ayres Jan 2012

Regulating Opt Out: An Economic Theory Of Altering Rules, Ian Ayres

Ian Ayres

Whenever a rule is contractible, the law must establish separate rules governing how private parties can contract around the default legal treatment. To date, contract theorists have not developed satisfying theories for how optimally to set “altering rules,” the rules that set out the necessary and sufficient conditions for displacing a default. This Article argues that efficiency-minded lawmakers in setting altering rules should consider both the costs of altering and the costs of various kinds of error. There are two broad reasons for altering rules to deviate from attempts to minimize the transaction cost of altering, First, the Article develops …


Race Effects On Ebay, Ian Ayres, Mahzarin Banaji, Christine Jolls Jan 2011

Race Effects On Ebay, Ian Ayres, Mahzarin Banaji, Christine Jolls

Ian Ayres

We investigate the impact of seller race in a field experiment involving baseball card auctions on eBay. Photographs showed the cards held by either a dark-skinned/African-American hand or a light-skinned/Caucasian hand. Cards held by African-American sellers sold for approximately 20% ($0.90) less than cards held by Caucasian sellers, and the race effect was more pronounced in sales of minority player cards. Our evidence of race differentials is important because the on-line environment is well controlled (with the absence of confounding tester effects) and because the results show that race effects can persist in a thick real-world market such as eBay.