In which of the following cases is there an adverse selection problem? select all that apply. a. a health insurance market, in which the insurers do not know whether or not the applicants for insurance are habitual smokers. b. a motor insurance market, in which the insurers do not know how carefully the insured people drive. c. online sales of nutritional supplements, when consumers cannot tell whether their contents are as claimed by sellers. d. a firm that employs home-workers, but cannot observe how hard they are working.

Arthur met rottweiler breeders lynda and george at a dog show in rhode island. the couple, who reside in new york state, later sold several rottweiler dogs to arthur who lived in rhode island. arthur later sued lynda and george, claiming that the dogs were sick and infirm. he filed a complaint in rhode island courts, claiming that even though the dogs were sold in new york, the breeders had attended the dog show and advertised in the rottweiler newsletter which was distributed at the event in rhode island. based on the facts, do you think rhode island courts have personal jurisdiction in this case?