Results 281 to 290 of about 2,349,576 (338)

Charting the Grey Economy in the 1990s

Policy & Politics, 1991
The paper reviews evidence on the main changes which have affected elderly households in the 1980s and presents an assessment of likely trends in the 1990s. Changes in income, wealth, employment and housing are assessed to contribute to an integrated approach.
Bosanquet, N, Propper, C
openaire   +1 more source

Analysis of circular economy of E-commerce market based on grey model under the background of big data

Journal of Enterprise Information Management, 2021
PurposeIn order to more accurately predict the dynamics of the e-commerce market and increase the comprehensive value of the circular e-commerce industry, proposes to use Grey system theory to analyze the circular economy of the e-commerce market.Design ...
Xu Peng, Xiang Li, Xiao Yang
semanticscholar   +1 more source

Grey and Black: The Hidden Economy of Rural China

Pacific Affairs, 1982
A HIDDEN ECONOMY of very substantial size exists in the Chinese countryside, lying beyond the reaches of state plans and official statistics. At its outermost margins, this hidden economy includes blackmarketing and criminal activities. But most of the hidden economy has tended to occupy a considerable "grey" zone of semi-legality: though illegal on ...
Anita Chan, Jonathan Unger
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Grey control system of industrial economy based on fuzzy clustering algorithm

2021 4th International Conference on Information Systems and Computer Aided Education, 2021
The development of regional logistics industry has attracted more and more attention. The country and various regions have early or late release a set of relevant policies to guide the expand of regional logistics industry. This paper studies the rapid growth of regional economy by improving the key elements of regional logistics capacity.
Rongchang Liu, Yizhi Qiu
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Green rules & grey markets: Do environmental policies influence the informal economy?

Economics & Sociology
The relationship between environmental policy stringency and the shadow economy is a critical issue, as stringent regulations can either formalise economic activities or push businesses into informality.
S. Lyeonov, Alla Moroz, Iwona Dudziuk, Erdenebayar Chuluunbaatar   +3 more
semanticscholar   +1 more source

The convergence level and influencing factors of China’s digital economy and real economy based on grey model and PLS- SEM

Journal of Intelligent & Fuzzy Systems, 2021
The paper constructs a research model mainly based on the Deng’s correlation analysis model on the convergence level measurement, the GM (1,1) coordinated development prediction model and PLS-Structural Equation Model (PLS-SEM) analysis model on the ...
Guoteng Xu, Tingjie Lu, Xia Chen, Yiman Liu   +3 more
semanticscholar   +1 more source

An Approach of Grey Dynamic Metrological for Sport Economy Investigation

2016 International Conference on Robots & Intelligent System (ICRIS), 2016
The aim of this paper is by using an approach of grey dynamic metrological to investigate sport economy. Researching on how to improve the economic benefit of sport investment is the core of economic activities. On the basis of basic structure of grey theory system, this paper do some basic theory research on various type problems of sports economy and
Gao Dongmei, Yang Zhilong
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Grey clustering evaluation on regional tourism economy development in China

Proceedings of 2013 IEEE International Conference on Grey systems and Intelligent Services (GSIS), 2013
Reasonable evaluation on the development level of tourism economy can provide scientific basis for formulating and implementing tourism development plans and policies. Considering the less statistical data relating to the tourism development and the finite statistic index, this paper adopts a Grey Cluster Method to confirm the evaluation index system ...
Li Fen, Dong Fen-yi
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Prediction of provincial Digital Economy Development Index based on grey combination forecasting model

Grey Systems Theory and Application
PurposeIn many instances, the data exhibits periodic and trend characteristics. However, indices like the Digital Economy Development Index (DEDI), which pertains to science, technology, policy and economy, may occasionally display erratic behaviors due ...
Pingping Xiong, Jun Yang, Jinyi Wei, Hui Shu   +3 more
semanticscholar   +1 more source

Grey relational analysis on the land-sea economy in China

Grey Systems: Theory and Application, 2017
Purpose On the basis of the time series of the land area economy and marine economy data during 1996-2015, the authors study the relationship between land area economy and marine economy, and divides the relational schema of the land-sea economy by doing causality test of land-sea economy, grey correlation degree analysis and relational schema ...
Xue Jin, Kedong Yin, Xuemei Li
openaire   +1 more source