Halbert White, Using Least Squares to Approximate Unknown Regression Functions, International Economic Review, Vol. 21, No. 1 (Feb., 1980), pp. 149-170 ...

The economy, explained, with stories and surprises. Imagine you could call up a friend and say, "Meet me at the bar and tell me what's going on with the economy." Now imagine that's actually a fun ...

Situated in the Peruvian Andes, Cuzco developed, under the Inca ruler Pachacutec, into a complex urban centre with distinct religious and administrative functions. It was surrounded by clearly ...