ECM

  • 详情 Internet tradition and tourism development: A causality analysis on BRI listed economies
    The study aims to explain the economic impact of Internet implication in tourism sector by taking sample of mega project listed countries (which provide big pitch to boost tourism business). Our work find the volatility cause of tourism revenue at country i, by examining the inbound tourist expenditures as a factor of technological infrastructure. We deploy data ranging from 1990 to 2017 and uses error correction model as representative of Autoregressive-Distributed Lag (ARDL) model after addressing diagnostic tests (for data reliability concern). We found long- and short-run association between tourism expenditure and information and communication technology (ICT) proxies in case of developed economies, while only short-run association in underdeveloped countries. The startling scenario about underdeveloped economies are also confirmed by one-way causation in our analysis. After sensitive analysis at each slot, the study concludes that tourism revenue is streaming low across those boundaries where tourists a
  • 详情 基于沪铜市场最优套保比率的研究
    套期保值者所面对的主要风险是基差风险,传统套期保值(1:1套保)在实际运用中经常会由于基差的剧烈波动而造成额外的损失。本文通过对沪铜历史数据的研究,利用OLS,ECM,ECM-GARCH等模型对各种方法所获得的套期保值比率进行了验证