Top answers

What is protectionism?

Protectionism is a government philosophy towards foreign trade. According to this philosophy, governments should use tariffs and quotas to protect domestic firms from foreign competition. Protectionist trade...
KC
Answered by Kathryn C. • Economics tutor
7171 Views

What are barriers to entry?

A barrier to entry is an obstacle that prevents a new entrant from joining a market. They exist within both oligopolistic and monopolistic market structures. Barriers to entry matter because in the short run...
KC
Answered by Kathryn C. • Economics tutor
21484 Views

What is the trend in first ionisation energy across a period?

Overall, the general trend is an increase across the period. The decrease in shielding (as outer electrons are less influenced by the nucleus) is outweighed by an increased nuclear charge and a decreased ato...
BW
Answered by Ben W. • Chemistry tutor
13981 Views

How do I solve equations like 3sin^2(x) - 2cos(x) = 2

To solve equations like this we need to get the equation in terms of one trigonometric function, ie one of sin(x), cos(x) or tan(x) It is usually easiest to get everything in terms of whatever the linear par...
EB
Answered by Elliot B. • Maths tutor
23277 Views

What is hybridisation?

Hybridisation is a chemical phenomenon that occurs in certain atoms, whereby atomic orbitals 'mix' or 'hybridise' from their usual arrangement to form a more energetically-favourable orbital arrangement. Con...
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Answered by Liam H. • Chemistry tutor
26365 Views