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Purpose of the study . The purpose of this research is modeling of the current trends for changing the cost of the residential real estate. The price on the housing market is one of the most difficult indicators for the analysis, as it reflects trends in the commodity and financial markets, labor market, reacts to political, social and economic changes. On the housing market, it is possible to determine the level of income of the population and their ability to accumulate by the price if we consider the regional level, then it is possible to define degree of attractiveness of this or that region, etc. Development of the housing market promotes improvement of a demographic situation and development of social stability of the society. Materials and methods . In the analysis of dynamics of changing the cost of the residential real estate, the methodological base is important. In this research, the methods of descriptive statistics for the description of the existing trends to change the average cost of housing and development of mortgage lending were presented and assessment of structure of price differentiation in regions is carried out. With the methods of identification and the analysis of the top trend, the adequate model, describing a trend functionally was constructed. For the evident representation of results of the research, tabular and graphic methods of visualization of data were used. For the purpose of the solution of objectives the package of the IBM SPSS Statistics application programs was used. Results . Results of the research allowed to define the main trends of changing the cost of the residential real estate in the Russian Federation on primary and secondary markets and to analyze dynamics of granting mortgage loans. The reasons for significant regional price differentiation of housing are considered. Creation of model for changing the average cost of housing on primary and secondary markets is carried out and forecast estimates to change the price for 2019 are received. С onclusion . The conducted research showed that there is a steady trend of growth of cost for housing both on primary and secondary markets. It should be noted that in the nearest future the increase in rates of gain of the price in connection with the legislation change since July 2019 is possible, first, it would concern primary market, but in a consequence, it will be reflected also on the secondary market.

The paper presents an assessment of the change in the spatial differentiation of vegetable prices in conditions of imposing restrictions on foreign trade. The purpose of the study was to identify the specifics of price reactions in the regional vegetable markets to the ban on foreign economic operations with Turkey, that require the import of certain types of Turkish vegetables into the Russian Federation. The method of research included three stages. In the first stage, using the volatility indicator, the spatial behavior of vegetable prices was assessed; in the second – the groups of vegetable markets of the subjects of the Russian Federation were determined, characterized by the greatest price differentiation, for which the border effect was calculated in the third stage of the study. The study was conducted for two time periods: 2015 (before the ban on the import of vegetables from Turkey) and January – October 2016 (the period of the ban on the import of vegetables from Turkey). A comparative evaluation of the results of the study for two study periods showed that in January – October 2016, the range of variation and the mean value of the relative CPI volatility for vegetables decreased. In addition, border effects have decreased for all selected groups of markets, characterized by increased differentiation of prices for vegetables. Based on the results obtained, a conclusion was made that the spatial differentiation of prices in regional vegetable markets in January-October 2016 has reduced compared to 2015, which indicates the adaptation of regional vegetable markets to changes in institutional conditions

на сегодняшний день среди большого разнообразия экономических благ можно выделить сетевые. В рамках разных рыночных структур реализуются разные их виды. Автором в данной статье рассматриваются виды благ и в каких структурах чаще всего встречаются., Today there is a possibility to select a network among a wide variety of economic benefits. Within the framework of different market structures their various kinds are implemented. The author of this article discusses the types of goods and public structures that are most often found.

The article views competition in the rolled section market. The hypotheses about price discrimination, competition according to Cournot or Hotelling being present at this market, have been tested. The dependence of rolled section prices in the region on the distance between the region and rolled section producers’ location, as well as on other factors, has been tested. It is concluded that the Russian rolled section market is characterized by Hotelling competition without using price discrimination