We formalize the notion of coalition measure as a primitive of social choice with a countably infinite number of agents. An example would be a dynamic setting with an infinite horizon, where it may be convenient to consider separately each individual’s preferences at every moment of time. In this setting, there are some “equal size” coalitions that a social choice rule should treat in the same ...

When is agreement possible? An important aspect of group decision-making is the question of how a group makes a choice when individual preferences may differ. Clearly, when making a single group choice, people cannot all have their “ideal” preferences, i.e, the options that they most desire, if those ideal preferences are different. However, for the sake of agreement, people may be willing to a...

the difference did not lessen until 1980. The gap still amounted to 4.3 years in 2000, whereas it was only 2.8 in 1950. The pattern for France and Italy was different. After three decades of increase, the difference stabilised for some dozen years, and it is was only after 1992 (in France) and 1995 (in Italy) that it really decreased. In France, it was only 7.0 years in 2003 whereas it had reac...

When large Multi Agent Systems operate over open platforms such as the Internet, there is the possibility that some agents will endeavor to disrupt the MAS with the aim of achieving their own agendas at the cost of the others. For the protection of the agents in it's domain, each society of agents should make available certain services that allow agents to detect and avoid such attempts by mali...

On 21 December 1974, the French Parliament passed the Veil Act, promulgated on 17 January 1975, authorizing elective abortion under certain conditions. The 1974 Act was reviewed after five years and confirmed by Parliament on 31 December 1979. At the end of 1982, Parliament voted for elective abortion to be reimbursed by the French social security. More recently, the Act of 4 July 2001 relaxed ...

to taking practical steps both to identify the ground common to the Church and cine and to indicate whether co-operation could be effected. Such a meeting was cal'e^ at the Torbay Hospital on February 26th, 1953, on the initiative of the Torquay ̂ District Medical Society, on which occasion the local clergy joined the Society in tJl meeting, forty-five clergy and forty-one doctors being present....

P children are a largely undocumented population group because they are hard to identify in the standard statistical sources (census, registration data) (see box 1). Now, however, the picture has been filled out by the “Family History Survey” linked to the 1999 population census. The survey was designed by the Insee with assistance from Ined, and covers a sample of 380,000 people over the age o...

THE DEVON AND EXETER MEDICO-CHIRURGICAL SOCIETY Secretary: Dr. Charles Seward, 20 West Southernhay, Exeter 16th Oct., at 3.30 p.m.: Lambert Rogers, Esq., c.b.e., v.r.d., m.d., m.sc., f.r.c.s., f.r.a.c.s., f.a.c.s., "Some Thoughts on Surgical Progress". 6th Nov., at 3 p.m.: Clinical Meeting. 28th Nov., at 8.15 p.m.: Robert Nevin, Esq., t.d., m.a., f.r.c.s., "The Surgery of Ulcerative Colitis". n...

OF DISSERTATION Submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy Biology The University of New Mexico Albuquerque, New Mexico