A Successful Accident: Recollections and Speculations about the CEA

Some Speculations About "The Great Nicaraguan Lake"

an investigation about the relationship between insurance lines and economic growth; the case study of iran

مطالعات قبلی بازار بیمه را به صورت کلی در نظر می گرفتند اما در این مطالعه صنعت بیمه به عنوان متغیر مستفل به بیمه های زندگی و غیر زندگی شکسته شده و هم چنین بیمه های زندگی به رشته های مختلف بیمه ای که در بازار بیمه ایران سهم قابل توجهی دارند تقسیم میشود. با استفاده از روشهای اقتصاد سنجی داده های برای دوره های 48-89 از مراکز ملی داده جمع آوری شد سپس با تخمین مدل خود بازگشتی برداری همراه با تعدادی ...

Speculations about noise and the evolution of vertebrate hearing.

Two of the most conspicuous and celebrated properties of human hearing--the abilities to discriminate pitch and to localize sound sources, may have been secondary derivations to which the ear was preadapted by having evolved in the inevitable presence of noise.

Some Recollections about the Early Days of AAAI

After much preliminary discussion in the AI community about forming a national society, Raj Reddy took on the work of organizing people. In 1979 he was the general chair for IJCAI-79, and I was the program chair, so we were already working closely together and thinking about organization. We were not alone in being frustrated by the phoenix-like nature of IJCAI—springing to life before every bi...

Speculations About the Selective Basis for Modern Human Craniofacial Form

The last few decades have seen an explosion of knowledge about the time and place of origin of our species, Homo sapiens. New fossils, more sites, better dates, modern and fossil DNA, and scores of analyses have mostly disproved the multiregional model of human evolution. By and large, the evidence generally supports some version of the out-of-Africa model, according to which humans first evolv...