This study aims to examine the time-varying efficiency of the Turkish stock market's major stock index and eight sectoral indices, including the industrial, financial, service, information technology, basic metals, tourism, real estate investment, and chemical petrol plastic, during the COVID-19...

Periods of economic turmoil distort the ability of stock prices to reflect the available information. In the last three decades, emerging markets experienced numerous crises. The major three of them are the Asian Financial Crisis (1997-1998), Global Financial Crisis (2007-2009) and Global...

The pandemic crisis of SARS-CoV (Severe Acute Respiratory Syndrome Coronavirus) -2 has profoundly and often dramatically changed our lives. In this paper we have proved that, despite all the vicissitudes, one of the sine qua non conditions for success is the dynamic and constructive adaptation...

Objectives: To determine whether rebounds in Florida business revenues following initial COVID-19 quarantines were associated with increasing infection rates, and whether those associations were more strongly related to certain industries. Methods: Florida business gross revenues and tax...

The COVID-19 pandemic caused an unprecedented collapse of the U.S. economy in late March 2020. The federal government scrambled to provide emergency financial support through a variety of hastily-assembled programs, such as PPP, but relief did not always go to where it was most needed. This...

A belief that markets are efficient is blamed for instigating the crisis we are in and lulling us into complacency as the crisis was approaching. But the debate about the role of such belief in the crisis is unfocused for two reasons. First, a lack of a common definition of market efficiency...

As the coronavirus pandemic spread across the globe in early 2020, the European Central Bank as well as national governments in the euro area enacted or announced numerous economic policy measures to counteract the severe economic consequences of the resulting lockdowns. In this paper, the...