Zusammenfassung der Ressource
Mercados de competencia
(Markets of competition)
- Competencia perfecta
(perfect competition)
- Some characteristics
- Many plaintiffs (demandantes)
and many bidders (oferentes).
Companies are precio-aceptantes.
- Perfect transparency and
homogeneous assets (bien
indiferenciado).
- No access barriers to
enter or exit the market
generating:
- Any seller or buyer can
influence the offer rate.
- Periods
- Short-term: The number
of companies is fixed.
- Long-term: The financial loss and
profits presented to the companies
have two circumstances
- New companies will be
interested if profits are high
but if the price falls it causes
the "función de oferta"to shift
to the right.
- If losses occur, adjusting cost
structures or leaving the
market to cause the "supply
function" to shift to the left;
the equilibrium price will rise
and continue with new profits.
- A company operating in a perfectly
competitive market complies with:
Px=I’=I*
- Competencia imperfecta
(imperfect competition)
- Characteristics of the Most important
non-competitive markets
- Oligopolio
- The supply is
served by a few
companies.
- Applies "Teoría de juegos" with items such as
strategic positions, payoffs, and equilibrium,
measuring the degree of concentration .
- Companies can compete with each other
either on price or operation.
- Monopolio
- Single market that is
precio-oferente.
- A monopolist must reduce its price
and its marginal revenue (ingresos
marginales) is declining.
- There is no "función de oferta"
and a higher price is fixed.
- Competencia monopolística
- The offer/supply is composed by many
individuals, managing a small market fee.
- It has freedom of entry and exit in the market,
allowing the company to exit in fact of loss.
- Monopsonio
- Both sides of the market have power,
if you need to buy more units, you
must accept a higher price.
- Oligopsonio
- Few demanders and a lot of suppliers
can influence the price by their
commercial situation.
- Duopolio
- Two companies handle the
supply of the entire market.
- Buyers and sellers can
influence the market.