On the basis of available data analysis of the world economy development in the industrial era is carried out. The countries are grouped according to their economic dynamics. A model describing countries co-evolutional eco-nomic development processes in the framework of the world system is...

Russian Abstract: Предложены модели, описывающие зависимость рыночной стоимости полувагонов от возраста, и соответствующая таблица процентов обесценения

Russian Abstract: При оценке подержанных машин и оборудования используются зависимости их рыночной стоимости от возраста. Обрабатывая рыночные данных о ценах реальных...

By using the Pontryagin maximum procedure the author has found an optimal dynamic rule for the distribution of labor, investment, and material resources between the sectors of the open three-sector economy according to the maximi-zation criterion of discounted marginal consumption

Dynamic model of efficient allocation of water with three sources of water supply (groundwater, surface water and the recycling technology with limited capacity) is constructed and analyzed. It is shown that in case of binding capacity constraint we can abandon the use of groundwater at some...