1) A B2B standing for Business to Business, is a transaction that occurs between two companies, as opposed to a transaction involving a consumer called B2C for Business to Consumer.
Generally B2B demand concerned a large volume or value. It could be institutions, governments, business or non-profit organization.

B2B examples: - A whoseller selling clothes to a retailer - Airbus selling planes to airlines company - A manufacturer buying tires, glass for windscreen or carpets for its vehicles

B2C examples: - A customer buying his food in a supermarket - A rich man buying a Porsche - A retailer selling his clothes to customers

2) A niche market is a small but profitable segment of a market suitable for focused attention by a marketer.
SME seem in a better position to tackle niche markets abroad because on a niche market you propose a need for a product or service that is not being addressed by mainstream providers.
The great advantage is that you are alone on the niche market so you don’t suffer from the competitors. Besides, other small businesses may not be aware of the particular niche market available.
MNEs don’t want to bother with it in most cases, but can have more money and networks to invest if they want and become a big threat for the SME.
SME are more reactive to the demand in the market and so they can easily identify needs or wants that are not being addressed by competitors whereas MNEs are slow down by the hierarchy and don’t have the same objectives. They want to spread their brand, company all over the world.

3) The four risks which may threaten International Business are: - Commercial risk: the risk that a foreign debtor will be unable to pay his debts because of business events (weak partner, competitive intensity, operational problems…). You can do an Irrevocable Confirmed Letter of Credit to be sure to be paid or ask for cash in advance.

- Cross-Cultural risk: you have to know the