A merging (or assessment aggregation) function (see [7]) is a rule that synthesizes several individual assessments, or numerical judgements, by creating a unique "collective" assessment. Individual i can manipulate assessment aggregation if the change in the merged assessment due to a change in...

Three two-player games are associated with competitive markets having a unique market equilibrium, strictly decreasing market demand functions and increasing linear market supply functions. In these games, a player represents buyers and the other player represents sellers. The players' aim is to...

In introductory and even intermediate courses, the cobweb model is the reference dynamic model to justify market equilibrium and to illustrate how market equilibrium can be reached. Nonetheless, the cobweb model has at least two unattractive features: (i) that, in requiring at each time equality...

A procedure to construct a social welfare function from a social choice function is suggested and it is shown that the dictatorial are the only unanimous social welfare functions that can be reconstructed from a social choice function that does not change the social choice when a defeated...