The evolution of digital technologies leads to a tectonic transformation of all spheres of society. Law, as a system of regulating public relations, is changing dynamically along with the development of public relations in different spheres. The development of IT led to the emergence of blockchain technology, which, in turn, became the basis for the development of smart contracts. Smart contract technology, as it develops, causes changes not only in the legislation, but also in the model of interaction between the state and business. Due to smart contracts, a significant part of the rules can be algorithmized, and the regulation can become machine-readable. Purpose of the research: Legal research of the current legislation, the synergy of business, law and economy in the implementation of smart contract technology, determination of theoretical concepts in relation to smart contracts, the content and problems of the application of smart contracts, and identification of the most significant proposals for improving legislation. Methods: The authors of the research used general and specific scientific methods. In the study of the technological foundations of the smart contract, the main methods were analysis, synthesis, analogy, and a system-structural approach.
The aim of the study was to analyse histologically and morphometrically the peribiliary glands of the extrahepatic biliary tract in the elderly and long-living people.Material and methods. The study included wholemounts of the gallbladder, the cystic, hepatic and common bile ducts obtained from the corpses of both sexes aged 22 to 35 years (n=16) and older than 76 years (n=39). Macro-microscopy was used to evaluate the number, localization, sizes and shape of the glands, the area of the lumen of the excretory duct orifices, the area of the initial section of the glands, the number of initial (terminal) parts and the proportion of epithelial parenchyma in their composition.Results. With age, there is a decreased proportion of "complexly branched" glands with a significant number of initial sections and excretory ducts of the 1st order. The proportion of "simple" glands, with one initial section increases to 70.2–78.3% in the senile age, while it is 41.0–52.1% in people of mature age. In long-living people, there is an increased number (up to 70–85%) of glands with ampullar extensions of the common excretory duct. The total number, density of gland localization, the length and width of the initial section of the peribiliary glands tend to decrease from the period of mature age to longevity. In senile age, the size and quantitative parameters of the glands stabilize, and do not modify in long-living people.Conclusion. The results of the morphological analysis demonstrate that there is no progression of involutive changes in the peribiliary glands of the extrahepatic biliary tract from senile age to the period of longevity. In some cases, long-living individuals manifest compensatory-adaptive reactions, such as an increased severity of the epithelial parenchymal component in the composition of the glands and an increased proportion of glands with an ampullar expansion of the common excretory duct.
The article examines individual industry data series on the Chinese stock market and international commodity markets based on the application of the method of decomposition of generalized variance of forecast errors to build a secondary volatility index and overflow network. The DCC-GARCH model proposed by the author is used to study the effect of hedging wholesale goods on the Chinese stock market. The results show that in every industry in China, industry and consumer industry are the main risk-taking market, and the energy industry and financial industry are the main export risk market.
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