Examlex
A portfolio comprises two stocks, A and B, with equal amounts of money invested in each. If stock A's stock price increases and that of stock B decreases, the weight of stock A in the portfolio will increase.
Demand Curve
A graphical representation of the relationship between the price of a good or service and the quantity demanded by consumers.
Marginal Revenue Curve
A graph showing the change in total revenue for a business that results from selling one additional unit of a product or service.
Perfectly Competitive Industry
A theoretical market structure where there are many buyers and sellers, homogeneous products, no barriers to entry and exit, and perfect information, leading to an efficient allocation of resources.
Market Price
The existing rate at which a service or asset is available for purchase or sale on the open market.
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