Begoña, Subiza; Peris Josep E. - In: Mathematical Economics Letters 2 (2014) 3-4, pp. 5-5
It is well known that the core of an exchange market with indivisible goods is always non empty, although it may contain Pareto inefficient allocations. The strict core solves this shortcoming when indifferences are not allowed, but when agents' preferences are weak orders the strict core may be...