In May 2014, the animation “Quantum” was the first work to be associated with a non-fungible token (NFT) type certificate. As of 2020, the market has evolved considerably, with the millionaire figures and exponential growth typical of new disruptive technologies. Considering the recent rise of the NFT market, it is important to understand how it works and, above all, the determinants of the prices of NFTs are highlighted. Based on a detailed analysis of this new market, a GARCH multivariate econometric model is applied in order to assess whether it is possible to identify the price determinants of NFTs, based on the behavior of the prices of cryptocurrencies (Bitcoin and Ethereum), the US interest rate and the price of gold. The research is based on the study by Dowling (2022a), which sought to analyze relations between the prices of NFTs and cryptocurrencies. The results found coincide with the prices of NFTs that are similar and independent of cryptocurrencies, the interest rate and the price of gold, some specific differences to identify a determined period.
Inovação tecnológica e eficiência econômica de produção agrícola: como as novas tecnologias utilizadas vêm impactando a eficiência econômica agrícola do milho nos municípios de Londrina e Campo Mourão no Paraná Technological invocation and economic efficiency of agricultural production: how new technologies has been impacting efficiency economic of corn in the municipalities of
A partir dos anos 2000, principalmente, ocorreu um processo de transição nas principais economias latino-americanas no que se refere à dinâmica dos fluxos de investimento direto, em que os ingressos desses capitais passaram a ser acompanhados de investimento local no exterior. Neste sentido, o presente trabalho visa fazer uma análise comparativa relacionada à evolução setorial da entrada de empresas estrangeiras no Brasil relativamente às empresas brasileiras que atuam no exterior no período 2000-2014 à luz das principais teorias que tratam do fenômeno "exportação de capital produtivo". Para a consecução do trabalho são utilizados dados extraídos das bases da Conferência das Nações Unidas sobre Comércio e Desenvolvimento (UNCTAD), do Banco Central do Brasil e aplicação do índice de Grubel e Lloyd. A aplicação do referido índice permite uma comparação
This article aims to present the results obtained from a study seeking to determine whether technological innovation affected the competitive process of the mobile telephony sector in Brazil between 2012 and 2018. To achieve this aim, the panel data technique was used with dependent and independent variables in the cross-section format. The evaluation of the competitive process was carried out considering the impact of the new technologies adopted by the companies in the segment, the prices, and the quality indicators of the service provided on the market share of each operator in the São Paulo region, the largest consumer market in Brazil. The results provide strong evidence that technological innovations in the mobile telephony sector, expressed by the variables of technologies and quality in the provision of services as well as the proxies used for price, affected the competitive process, especially in the strategies for expansion and the loyalty of the customer base.
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