"Economic engineers achieve the same result in studying the behavior of the economy and the consumer public by carefully selecting a staple commodity such as beef, coffee, gasoline, or sugar, and then causing a sudden change or shock in its price or availability, thus kicking everybody's budget and buying habits out of shape.
Economic Ukufinyelela yi efanayo ekutadisheni ukuziphatha umnotho kanye umthengi zomphakathi ngokukhetha okuyisisekelo lezimpahla zoals yenkomo, ikhofi, uphethiloli, noma ushukela ngokucophelela, bese kubangela ushintsho kungazelelwe noma ukushaqeka e wentengo noma ukutholakala, ngaleyo ndlela ukukhahlela isabelomali somuntu wonke kanye nemikhuba yokuthenga engakhiwe.