I study school assignment problems, focusing on two popular mechanisms: the Boston Mechanism (BM) and Deferred Acceptance (DA). The former has been criticized regarding both e¢ ciency and fairness, particularly its treatment of naïve (non-strategic) students. The latter has been suggested in its place, and has already replaced the former in several cities. The formal critique of BM and support ...

In World War II, the Soviet mobilisation of industry appears to have been more successful than the German. Yet in terms of prewar resources and ex ante mobilisation potential there is no obvious reason why this should have been the case. In production, resources, and mobilisation preparations there were many similarities. The obvious differences were mostly to the Soviet disadvantage. Yet the S...

We study Pareto improvements whose implementation requires knowledge of only market prices and traded quantities, not utility and demand functions. Quantity stabilizations (for example, the Lau, Qian, and Roland model of dual-track reform) give agents the right to repeat their earlier trades and hence require policymakers to know the quantities agents previously exchanged. While reasonable in s...

Rai¤a (1961) has suggested that ambiguity aversion will cause a strict preference for randomization. We show, however, that dynamic consistency implies that individuals will be indi¤erent to ex ante randomizations. On the other hand, it is possible for a dynamically-consistent ambiguity averse preference relation to exhibit a strict preference for some ex post randomizations. We argue that our ...

The aim of this study was to examine the validity of dental records for the identification of unidentified human remains. The sample is composed of 100 subjects selected randomly from the Dental College of King Saud University. Information retrieved from dental records, including charting, radiograph findings and dental progress notes were used as ante-mortem data. The subjects were further cli...

OBJECTIVES The aim of this study was to investigate the parameters of ante-mortem delirium of the patients in a closed psychiatric institution and to compare them with the ante-mortem psychopathology of the medical patients. METHODS There were 139 medical records of the patients analyzed, who died during the period of 1997-2003 at the in-patient psychiatric institution. The diagnoses were rec...

I study large random assignment economies with a continuum of agents and a …nite number of object types. I consider the existence of weak priorities discriminating among agents with respect to their rights concerning the …nal assignment. The respect for priorities ex ante (ex-ante stability) usually precludes ex-ante envy-freeness. Therefore I de…ne a new concept of fairness, called no unjusti…...

In recent years increasing stress lias been laid by speakers and writers 011 the importance of ante-natal care in the preventive aspect of obstetrics, and it has come to be believed that by such means the great majority of obstetric emergencies can be avoided. That this is not fact has been the cause of many discussions on such subjects as " Why are we dissatisfied with the results of ante-nata...

Diagnostic information allows an agent to predict the state of nature about the success of an investment project better than the prior. We analyze the optimal pricing scheme for selling diagnostic information to buyers with different, privately known, ex ante success probability. Investment costs and returns of successful projects are assumed to be the same for all buyers. The value of diagnost...