“…Our paper will be based on the work byPhilip et al (2015), which provides econometric detection mechanisms for identifying the dates of the bubble. This piece of work is widely cited in housing bubble-related research, such as Bangura and Lee (2020),Li et al (2021),Andre et al (2022),Tang (2017) and others.Recently, a lot of attention has been paid to the effect of the COVID-19 pandemic on the economic and financial environment. For example,Ulku et al (2023) argued that COVID-19 formed a negative bubble in the stock market and led to substantial wealth transfers among investor types,Ji et al (2022) found that the global stock markets performed poorly during the pandemic,Gharib et al (2021) found that a bilateral contagion effect of bubbles in oil and gold markets during COVID-19,Ding et al (2022) studied how COVID-19 affects the corporate sector at different stages of COVID-19 outbreak, andChong et al (2020) proposed that "the slow growth, the sluggish recovery of trade and the cross-country transmission of the unemployment rate are three significant risk factors that ASEAN economies are faced with".…”