Modelling of Index System of Economic Vitality During the COVID-19 Epidemic
نویسندگان
چکیده
Economic vitality is an important indicator to measure the level and potential of economic development. The paper puts forward three social problems about establishes a model solve them. We build panel data analyze influencing factors vitality. Based on section Beijing, VAR-VEC established long-term short-term effects policies development strategy ORT put forward, scheme promote growth given during COVID-19 epidemic. For first problem, preprocess data, test its independence, find that each factor not independent other. Through correlation analysis, we found there strong between various elements. After Random Effect Test Fixed combined with Hausman Test, conforms fixed effect model. Population change enterprise have positive impact vitality, are 0.01 0.07 respectively. adjusting overall structure enterprises improve second select Beijing city construct VARVEC ADF unit root Johansen cointegration test, at least relationships time series. use Ais-Sc Criterion determine order delay as third order. OLS estimation method get coefficients VEC Model. IRF response, policy effect. Due experience accumulation, presents W-shaped trend. minimum average deviation index 9 representative indexes. extract two main by analysis system from 2009 2017 calculated according system. Shanghai, Guangzhou Shenzhen often rank first, while Kunming Dongguan last. same results similar fourth review previous conclusions based
منابع مشابه
A study of students' lived experience of virtual education during the epidemic of Covid-19
The aim of this study was to investigate the lived experience of Guilan University students from virtual education during the Covid-19 epidemic. The method of the present study was qualitative descriptive phenomenology. Participants were 21 students who were selected through a purposeful sampling method and semi-structured interviews with them continued to the point of theoretical saturation. I...
متن کاملChallenges of Iranian Environmental Health during the COVID-19 Epidemic: Lessons for the Future
Emerging and communicable infectious diseases are one of the major public health challenges that adherence to the principles of primary health care can prevent the rising of morbidity and mortality in communities. This study investigates the environmental health challenges of Iran in Covid-19 epidemic as an emerging infectious disease. Insufficient readiness of the health system, delays in qua...
متن کاملTransformations and Strategies of the Sports Tourism Industry During the Covid-19 Epidemic
This study aimed to identify the implications of Covid-19 on sports tourism and to provide appropriate strategies. The research paradigm is interpretive, its nature is exploratory, the approach is inductive, the research method is qualitative, the research strategy is the thematic analysis and the data collection was performed using targeted library study and in-depth semi-structured interviews...
متن کاملthe effect of e-64 on the developmental competence of sheep cocs during in vitro maturation
in the present study, the effect of e-64 at different concentrations (0.5, 1, 5 and 10 µm) added to (1) the ivm medium on oocyte nuclear maturation and developmental competence of ovine oocytes, and (2) to the ivc medium on embryonic development of ovine embryos were investigated.
ذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of infectious diseases & travel medicine
سال: 2021
ISSN: ['2640-2653']
DOI: https://doi.org/10.23880/jidtm-16000147