@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20170816-145820663, title = "Empirical Studies in Applied Economics", chapter = "Statistical Analysis of the Additive and Multiplicative Hypotheses of Multiple Exposure Synergy for Cohort and Case-Control Studies", year = "2001", url = "https://resolver.caltech.edu/CaltechAUTHORS:20170816-145820663", id = "record", isbn = "978-1-4613-5565-6", doi = "10.1007/978-1-4615-1461-9\_5" } @inbook{https://resolver.caltech.edu/CaltechAUTHORS:20170915-120248778, chapter = "Block Switching in Demand Subject to Declining Block Rates - A New Approach", year = "1987", url = "https://resolver.caltech.edu/CaltechAUTHORS:20170915-120248778", id = "record" }