This study examines the sectoral impacts of electricity supply shortages in South Africa, using the cost share information available from the 2015 social accounting matrix. A simulation conducted under each of two technological assumptions, Cobb-Douglas and Leontief, reveals that a productivity...

Implied volatility surface has been studied extensively for various option markets including equities, foreign currencies, and commodities. Previous studies report that option implied volatility varies across moneyness, maturity, and time, yet, once the level is controlled for, the shape of the...

Using a sample of internet users across the European Union, this chapter investigates the drivers of citizens' online political activities from an integrated resources approach which accounts for the effects of both traditional political participation-related resources and three types of...