Advertising disclosures: Measuring labeling alternatives in internet search engines. - Benjamin Edelman; Duncan S. Gilchrist (Inf. Econ. Policy, 2012)

When 3 + 1 > 4: Gift Structure and Reciprocity in the Field. - Duncan S. Gilchrist; Michael Luca; Deepak Malhotra (Manag. Sci., 2016)