At a certain time each year, love barges into my apartment via First Class mail. It takes the form of wedding invitations. Looking bewilderingly expensive and bright, these pieces of paper court me ...

One eye-grabbing number from January’s consumer price index: The price of baby food and formula was up 8.7% from the same time last year — which is nearly three times overall inflation. That’s ...

Economists use elasticity of demand to gauge how responsive consumers are to changes in price and income, but investors can also use elasticity of demand to help make more informed investing decisions ...

Elasticity of demand refers to the sensitivity of quantity demanded with respect to changes in another outside factor. There are many types of elasticity of demand. The one most relevant to businesses ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. We need shoes come rain or shine and the more shoes we have, the better prepared we are for the unpredictable ...