What is a competitor?
Competitors are the firms whose strategic choices directly affect one another
What is SSNIP
small but significant nontransitory increase in price
used in a post-merger environment
The SSNIP criterion is based on the economic concept of substitutes.
What are close substitutes
how to approach Competitor Identification
Cross-price elasticity indicates that consumers increase their purchases of good Y as the price of good X increases.
Procentuele verandering in Q bij Y gedeeld door procentuele verandering in P door X
What is the n-firm ratio
Calculation of the top n market shares
What is the Herfindahl index
Equals the sum of the squared market shares of all the firms in the market.
< .2 perfect competition
< .2 monopolistic competition
.2 to .6 oligopoly
> .6 monopoly
When will market conditions will tend to drive down prices
What is excess capacity
Where a company or industry has the ability to produce more goods or services than it is currently producing, but it is not doing so
What is monopolistic competition
What are horizontally different products?
Pepsi and cola