Simple supply and demand model showing changes in an example “widget” market before and after product liability is erased, and after a government mandate, setting quantity sold:
A few sources:
Delong, Gayle. Conflicts of interest in vaccine safety research. Accountability in Research, 19, 65-88.
Delong, Gayle. A positive association found between autism prevalence and childhood vaccination uptake across the U.S. population. Journal of Toxicology and Environmental Health, Part A/Taylor & Francis, 74(14), 903-916.
Link summarizing studies of who doesn’t vaccinate: http://preventdisease.com/news/11/020211_more_educated_less_likely_to_vaccine.shtml
Google doc of 1000 peer-reviewed studies showing vaccines are NOT safe, nor have been properly tested: