摘要:¡®[U]nder competition, the rate of return on investment tends toward equality in all
industries.¡¯ Introductory and intermediate microeconomics textbooks are sketchy in
explaining how capital is allocated by financial markets.Capital budgeting
techniques, primarily net present value, deserve a more prominent role.This article
suggests ways in which financial economics can be integrated into undergraduate
courses to illuminate entry into (and exit from) industries in response to profit
opportunities, as an essential part of economists¡¯ narration of resource allocation in
a capitalistic and dynamic market economy.