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In this study, we employ both the spillover index of Diebold and Yilmaz [1], and the wavelet coherence approaches to investigate the impacts of return spillovers and dynamic timefrequency linkages between crude oil prices and five developed stock markets in Europe (the United Kingdom, Spain, Italy, German, and France) in the pre and during Covid-19 outbreak periods. The results highlight that IBEX and CAC series are net recipients of risks, while the other assets are a net transmitter of shocks in the pre-Covid-19 period. In contrast to the results for the pre-Covid-19 period, LSE, CAC, and IBEX are the net recipients of return spillovers, reaching a maximum level of about 23% during the Covid-19 outbreak. Specifically, in comparison with the pre-Covid-19 period, the return transmission is more apparent during the Covid-19 crisis. More importantly, there exist significant dependent patterns about the information spillovers, and time-frequency linkages between crude oil and five major stock markets might provide urgent prominent implications for portfolio managers, investors, and government agencies. [ABSTRACT FROM AUTHOR]

Student residence halls occupy 26% of the total area of a typical university campus in the UK and are directly responsible for 24% of university’s annual CO2emissions. Based on five years measured data, this paper aims to investigate the energy-related environmental and economic performance of electrically heated residence halls in which space heating is provided by two different types of electric heaters, that is, panel heater (PHT) and storage heater (SHT). Secondly, using statistical and machine learning methods, the paper attempts to investigate the relationship between daily electricity consumption and five factors (ambient temperature, solar radiation, relative humidity, wind speed and type of day). Data analysis revealed that electricity consumption of both halls is mainly driven by ambient temperature only, whereas SHT residence has 39% higher annual electricity bill and emits 70% higher CO2emissions on a per square metre basis compared to the PHT residence hall. [ABSTRACT FROM AUTHOR]