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International audience ; Technology of IOT which used in agricultural supply chain can help to improve operational efficiency and reduce supply chain costs. This paper analyzes the basic structure of agricultural supply chain, current status of the research, and summarizes major obstacles of the development process. The paper also describes application of IOT principle, as well as agricultural supply chain optimization approach based on internet of things, including agricultural production, processing, transportation and sales process. The results show that: integration and information management through IOT can reduce logistics costs and improve circulation efficiency and effectiveness. The government should develop policies to achieve agricultural internet of things, improve efficiency of agricultural supply chain operations.

Cilj ovog rada je analizirati razliku u stupnju gospodarskog razvoja među kineskim okruzima iz dvije perspektive: industrijske politike i proizvodne učinkovitosti. Temeljem panel podataka 1830 kineskih okruga, ovaj rad primjenjuje novi okvir klasične teorije gospodarskog rasta za analizu pomoću metode neprestanog inventara i Malmquist indeksa. Rezultati pokazuju da u okruzima prevladava delta konvergencija od 2004. godine, te da se apsolutna razlika širi u različitim okruzima. Industrijska politika osigurava dodatno produbljivanje razine kapitala u kantonu. Nadalje, značajna razlika je zabilježena između poljoprivrednog sektora i nepoljoprivrednog sektora, pri čemu je ukupna faktorska produktivnost i tehnička učinkovitost u porastu što rezultira pojavom dvojnog puta tehnološkog napretka. Ukratko, zahvaljujući industrijskoj politici okruga, razlika u visini kapitala produbljuje razliku u sektorima, proizvodnoj učinkovitosti i dvojnom putu tehnološkog napretka što su temeljni razlozi regionalnih razlika u razini gospodarskog razvoja u Kini. ; This study aims at analyzing the difference in the level of economic development between China's counties from the two perspectives of industrial policy and production efficiency. Based on panel data of 1830 Chinese counties, this study employs the new classical economic growth theory framework to analyze the counties' economic growth by the perpetual inventory method, Malmquist index, among others. The results show that the economy of the counties exhibits δ convergence since 2004, and the absolute differences in the different counties are expanding. Industrial policy ensures the additional deepening of the level of capital in the county. Additionally, a substantial difference was observed between the agricultural sector and the non-agricultural sector, whereby the total factor productivity and the technical efficiency are on the rise, resulting in the phenomenon of dual paths of technological progress. In summary, the capital deepening difference between the sectors, production efficiency, and dual paths of technological progress owing to the counties' industrial policy are the basic reasons for the regional differences in the level of economic development in China.