Competition economic competition is another essential feature of a free enterprise economy. competition, as economists see it, is essentially price competition. the model of the market economy envisages a situation where, in the market for each commodity, there are large number of buyers and sellers. in theory at least, competition is the regulatory mechanism of capitalism. on the one hand, it protects the customers - they have the right of choice and they benefit from the fact that competition keeps prices close to costs; on the other hand, it makes producers and suppliers of scarce resources utilize them economically, using most sophisticated technologies.

1. Vintor Ceft made (past simp act) many efforts to build and standardize the internet.
2. Our laboratory are carrying (pres cont act) on a very important experiment now.
3. The group of scientists have already carried (pres perf act) out important research.
4. This phenomenon is described (pres simp pass) in the literature.
5. The Internet techology was created (past simp pass) by Vinton Cerf in early 1970`s.
6. An interesting and very important experiment was being made (past cont pass) at that hour.
7. The conductance between the plates may be affected (pres simp act) by other factors.
8. Modern computers are more and more being relied (pres cont pass) on by mathematics as well as other sciences.

Italy is very developing country. Also It is very beautiful. 
taly - a country with very ancient roots, which were based more with the existence of the Roman Empire around 500 BC. e., and the first settlers were the Neanderthals. The history of the Roman Empire, the most powerful empire for centuries, lasted on the ground in Italy almost 16 centuries. Due to the great city of the empire were born in Italy, with its grandeur denoting what noble people lived in them for centuries. When there was a threat to the conquest of the peninsula, Sardinia King invited the United States, later joined Rome and Venice. Both Italy was born, the boundaries of which are known to our contemporaries.
In this country, there is the beautiful Mediterranean Sea, the magnificent Alps. The climate in Italy varied depending on the terrain. The mountainous part of Italy - is a moderate summers and cold winters, close to the sea, the climate is changing, becoming warmer. When choosing a vacation time in Italy, you can ride all year round, the main thing to decide with what I want to ski vacation, sunny beach or sightseeing tours. For each of these types of recreation suitable time of the year.