Lawrence Klein, the University of Pennsylvania economist who won the 1980 Nobel Prize for his computer-based models that help governments forecast the future and act accordingly, has died. He was 93.

The Wharton Model is extrapolated for 24 quarters with appropriate assumptions. The problems involved in specifying a fresh model for long range forecasting are then outlined, including "endogenizing ...

Once the coefficients of an econometric model have been estimated, the dynamic properties of the resulting system of equations are frequently of interest. In this paper Fourier methods are used to ...