An economic system that depends on one product to supply almost all jobs and income. this can create an unstable economy if the one product becomes scarce

When economies can to rely on only product, they are at risk of economic collapse if the resources used to make the product or the product itself becomes scarce. For instance, if unemployment rises suddenly, there’s no money to buy other goods and services. There’s no money deposited in banks for them to make loans, making the economy unstable.