In most European countries in the energy sector, a reconsideration of renewable energy priorities is taking place, increasing consumer safety and protecting the environment through the use of renewable energy sources that provide an affordable and guaranteed solution in the medium and long term....

Collaborative economy (CE) is the marketplace where individuals trade goods and services. With disruptive innovations as a key factor, CE has is reformulated strategies and methods of traditional global commerce and created new opportunities. Tourism and hospitality are the industries in which...

The paper explores the relation between emitted CO2 in the atmosphere, asset expenditure, produced energy from renewables and energy consumption. ARDL model was developed on the basis of data for Bulgaria (2000 – 2018). As a whole the increase in asset expenditures leads to increase in emitted...