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♪ (música) ♪

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[Tyler] En videos anteriores

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cubrimos los fundamentos
de la curva de la demanda.

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Ahora discutamos qué pasa
cuando cambia la curva de la demanda

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debido al incremento o decrecimiento
de la demanda del mercado.

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Primero, consideremos
un incremento de la demanda.

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Un incremento en la demanda significa

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que la curva de la demanda cambia
hacia arriba y hacia la derecha.

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Tomemos como ejemplo el mercado
de las plantas de interior.

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En la curva
de la demanda anterior en $20,

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la cantidad demandada fue
de 5 plantas,

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pero en la nueva curva
de la demanda, otra vez, en $20,

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la cantidad demandada es
de 8 plantas.

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En $16, pasamos de seis plantas
a nueve plantas.

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En $12, pasamos de siete
a diez plantas, etcétera.

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Un incremento en la demanda

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es una mayor cantidad demandada
en cada precio.

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También podemos leer
un incremento de la demanda

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utilizando lo que llamamos
el método vertical.

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Eso significa
que, por cada cantidad,

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hay una mayor disposición
a pagar por esa cantidad.

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Por ejemplo,
por la unidad de un quinto,

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las personas estuvieron dispuestas
a pagar $20 por esa unidad.

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Ahora con la nueva curva
de la demanda,

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las personas están dispuesta
a pagar $32 por ella.

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En resumen, un incremento
de la demanda

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significa un incremento
en la cantidad demandada

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a precio de mercado.

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O lo que es lo mismo,
significa un incremento

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de la disposición a pagar
un precio máximo por una cantidad.

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Un decrecimiento de la demanda,

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