[Services for the elderly as a segment of the silver economy in the megalopolis: expert assessment. Part 2].

In the article, the authors continue to study the service sector for the elderly as a segment of the silver economy market. During the expert survey, services were identified that would be advisable to provide to older citizens. In particular, the block «information and innovation type services» is clearly identified.

[Life expectancy for the regions of the Northwestern Federal District. Part 2: Dynamics of old age threshold.].

The paper continues the study of the population ageing in the regions of the Northwestern Federal District. It characterized population ageing based on prospective ageing indicators that take into account remaining life expectancy. The dynamics of life expectancy (LE) at birth was analyzed.

[Services for the elderly as a segment of the silver economy in the megalopolis: expert assessment. Part 1.].

The article examines the service sector for the elderly as a segment of the silver economy market. The author's classification of services provided to the elderly is given according to an expanded set of criteria. During the expert survey, medical and social services that are of primary demand among the elderly were identified.

[Life expectancy for the regions of the Northwestern Federal District. Part 1: Dynamics of life expectancy at older ages.].

When studying the process of population ageing, much attention is invariably paid to mortality and its generalizing characteristic, life expectancy (LE). The dynamics of LE of men and women at older ages in the regions of the North-Western Federal District has been analyzed. It is shown that in all the regions considered, in all considered older ages, life expectancy decreased at the beginning of the reform period, then from the beginning of the 2000s it grew until 2019, after which it decreased.

[Prospects for silver economy development in the Russian megapolis (part 2).].

The article presents the second part of the results of a sociological (expert) survey conducted by the authors in St. Petersburg to assess the potential demand for silver economy products and prospects for promoting the silver economy segment in the metropolis. The study has allowed us to establish that when implementing the concept of the silver economy, St.

[Effects of socio-economic factors on old-age mortality in Russia.].

Studies of old-age mortality are an important part of demography, especially the demography of ageing. Demographic development of Russia is characterized by heterogeneity including regional differences in mortality. The aim of the paper is to analyze the dependence of mortality at old-age groups on socio-economic indicators.

[Prospects for silver economy development in the Russian megapolis.].

The article examines theoretical approaches to the development of a silver economy in the world and the practical value of promoting its model for the Russian Federation. Based on the consideration of various interpretations of this concept, the author's definition of the category «silver economy» is proposed with the allocation of two vectors of its development: economy - for the elderly and the elderly - for the economy. The purpose of the study was to assess the potential demand for silver economy products: in accordance with it, the paper presents the results of a specific sociological (expert) survey conducted by the authors in St.

[Society for all ages: are there any prerequisites for its formation in Russia?].

Due to the implementation of the idea of the formation of a society for all ages, the present article deals with the problems of the intergenerational connections in the sphere of work and leisure. The article outlines the results of the measurement of the intergenerational relationships done by means of sociological methods. The attempt to measure the intergenerational relationships was carried out in the course of the expert poll, conducted by the authors in 2016 within the framework of the project № 16-02-00495 «Human capital of the senior generation: preservation and usage», supported by the Russian Foundation for Humanities and the Russian Foundation for Basic Research.

[On the use of mathematical statistics methods in clinical and experimental studies.].

In the paper a number of issues, including conceptual ones, related to the specific features of making statistical decisions, choosing tests and computing characteristics that will strengthen the evidence base of the conclusions obtained when analyzing data using methods of mathematical statistics, are considered. The paper aims not to describe the methods of mathematical statistics themselves, but to analyze the conditions and the need to apply the most common tests. In particular, the magnitude of the indicator of the statistical significance of the observed effects - p-value - and the sample size to obtain a significant effect are discussed, the effect of multiple comparisons, the application of the Bayesian approach, and others are considered.