1. INTRODUCTION. Written in block capitals on lined paper, the letter bore a postmark from a Northeastern seaport. " I have a problem that I would like to solve, " the letter began, " but unfortunately I cannot. I dropped out from 2nd year high school, and this problem is too tough for me. " There followed the diagram shown in Figure 1 along with the statement of the problem: to prove that the ...

Abstract This paper examines the statistical properties of daily PM 10 in eight European capitals (Amsterdam, Berlin, Brussels, Helsinki, London, Luxembourg, Madrid and Paris) over period 2014–2020 by applying a fractional integration framework; this is more general than standard approach based on classical dichotomy between I(0) stationary I(1) non-stationary series used most other studies air...

Countries need short, medium, and long-term investment plans for production growth and development. Different sources for these investments can be supplied through retained profit, stock issuance, and bank loans, or a combination them. Institutions and firms need huge amount of capitals for their survival, production, and also development of activities. In addition, these institutions and firms...

Drawing on Pierre Bourdieu’s analysis of the competition for economic, social and cultural capitals within educational fields, this article reports empirical research from 49 in-depth interviews wi...

Based on the panel data from 30 provincial capitals in China 2005 to 2019, level of green development China’s was measured using entropy value method, and their spatial distribution analyzed ArcGIS software. The impact excise tax technological innovation examined by constructing a dynamic Durbin model. This study shows that: (1) There are differences cities, with overall characteristics “east &...

There are numbers of various new infill constructions and renovations occurring in many cities annually that based more on bottom-up initiatives by stakeholders rather than top-down initiated plans according to a city master plan. Such modifications urban structure might look small, not very numerous insignificant at the first glance, but even small changes complex system such as can cause sign...

This article presents the development of Metropolis GZM cities within scope concept a Smart City and 4T capitals. The subject matter discussed herein is also related to search for municipal authorities’ new models tools shape sustainable in order improve citizens’ access services facilities, as well increase impact on future their cities. main objective research was identify way which authoriti...

The use of biomass as an energy source has advanced in recent decades, given the scientific evidence that it is a solution to environmental problems faced globally. In this context, biofuels derived from have prominent role. Among countries where alternative most promising, Brazil stands out, just behind USA. It is, therefore, necessary assess whether such replacement economically viable. For a...